Document:

<PAGE>

                                                                    Exhibit 10.8

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                               DEPOSIT AGREEMENT
                                   (Class B)

                        Dated as of September 27, 2000

                                    between

                FIRST UNION TRUST COMPANY, NATIONAL ASSOCIATION

                                as Escrow Agent

                                      and

                                 ALLFIRST BANK

                                 as Depositary

--------------------------------------------------------------------------------
<PAGE>

          DEPOSIT AGREEMENT (Class B) dated as of September 27, 2000 (as
amended, modified or supplemented from time to time, this "Agreement") between
                                                           ---------
FIRST UNION TRUST COMPANY, NATIONAL ASSOCIATION, as Escrow Agent under the
Escrow and Paying Agent Agreement referred to below (in such capacity, together
with its successors in such capacity, the "Escrow Agent"), and ALLFIRST BANK, as
                                           ------------
depositary bank (the "Depositary").
                      ----------

          In consideration of the obligations contained herein, and for other
good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto hereby agree as follows:

          SECTION 1.1  Acceptance of Depositary.  The Depositary hereby agrees
                       ------------------------
to act as depositary bank as provided herein and in connection therewith to
accept all amounts to be delivered to or held by the Depositary pursuant to the
terms of this Agreement.  The Depositary further agrees to hold, maintain and
safeguard the Deposit and the Account (as defined below) during the term of this
Agreement in accordance with the provisions of this Agreement.  The Escrow Agent
shall not have any right to withdraw, assign or otherwise transfer moneys held
in the Account except as permitted by this Agreement.

          SECTION 1.2  Establishment of Accounts.  The Escrow Agent hereby
                       -------------------------
instructs the Depositary, and the Depositary agrees, to establish the separate
deposit account, number 76965 (the "Account"), in the name of the Escrow Agent
                                    -------
and all on the terms and conditions set forth in this Agreement.

          SECTION 2.1  Deposit.  The Escrow Agent shall direct Morgan Stanley &
                       -------
Co. Incorporated and Seabury Securities LLC (the "Placement Agents") to deposit
with the Depositary on the date of this Agreement (the "Deposit Date") in
                                                        ------------
Federal (same day) funds by wire or other transfer to: Allfirst Bank, Reference:
Midway 2000-1, and the Depositary shall accept from the Placement Agents, on
behalf of the Escrow Agent, the sum of US$51,110,000, which amount represents
the proceeds of the Midway 2000-1 Pass Through Certificate offering.  Upon
acceptance of such sum, the Depositary shall credit such amount (the "Deposit")
to the Account.  No amount shall be deposited in the Account other than the
Deposit.

          SECTION 2.2  Interest.  (a) The Deposit shall bear interest from and
                       --------
including the date of deposit to but excluding the date of withdrawal at the
Applicable Rate (as defined below) (computed on the basis of a year of twelve
30-day months) payable to the Paying Agent on behalf of the Escrow Agent semi-
annually in arrears on each April 1 and October 1, and on the date of the Final
Withdrawal (as defined below), commencing on April 1, 2001 (each, an "Interest
                                                                      --------
Payment Date"), all in accordance with the terms of this Agreement (whether or
------------
not the Deposit is withdrawn on an Interest Payment Date).  Interest accrued on
the Deposit that is withdrawn pursuant to a Notice of Purchase Withdrawal (as
defined below) shall be paid on the next Interest Payment Date, notwithstanding
any intervening Final Withdrawal (as defined below).  If the date on which any
payment due on the Deposit would otherwise fall on a day which is not a Business
Day (as defined
<PAGE>

below), such payment shall be made on the next succeeding Business Day, and no
additional interest shall accrue in respect of such extension.

          (b)  For purposes of this Agreement:

          "Applicable Rate" means 10.07% per annum plus, in the event the
           ---------------
     Depositary receives an Increase Notice (as defined below) and until such
     time, if any, as the Depositary receives the Rescission Notice (as defined
     below), 0.50% per annum, effective on the date specified in such Increase
     Notice to and including such date, if any, specified in such Rescission
     Notice.

          "Increase Notice" means a notice in the form attached hereto as
           ---------------
     Exhibit C, signed by the Escrow Agent, which shall be delivered in the
     event that any increase in interest rate is required to be effected
     pursuant to the terms of a certain registration rights agreement (the
     "Registration Agreement") dated as of the date hereof between Midway,
     Morgan Stanley & Co. Incorporated, Seabury Securities LLC and Allfirst
     Bank, as Trustee.

          "Rescission Notice" means a notice in the form attached hereto as
           -----------------
     Exhibit D, signed by the Escrow Agent, which shall be delivered in the
     event that any increase in the interest rate referred to in the definition
     of "Increase Notice" is no longer required pursuant to the Registration
     Agreement (as defined above).

          SECTION 2.3  Withdrawals.  (a)  On and after the date of the
                       -----------
establishment of the Deposit, the Escrow Agent may, by providing at least one
Business Day's prior notice (or in the case of the delivery of any aircraft on
the Deposit Date, the same Business Day notice) of withdrawal to the Depositary
in the form of Exhibit A hereto (a "Notice of Purchase Withdrawal"), withdraw
                                    -----------------------------
all or a portion of the Deposit, except that at any time prior to the any such
withdrawal, the Escrow Agent or the Pass Through Trustee may, by notice to the
Depositary, cancel such withdrawal (including on the scheduled date therefor),
and thereafter the Deposit shall continue to be maintained by the Depositary in
accordance with the original terms thereof.  Following any withdrawal the
balance in the Account shall be reduced by the amount of the withdrawal.  As
used herein, "Business Day" means any day, other than a Saturday, Sunday or
              ------------
other day on which commercial banks are authorized or required by law to close
in New York, New York, Charlotte, North Carolina, Wilmington, Delaware or
Baltimore, Maryland.  The amount to be withdrawn as specified in a Notice of
Purchase Withdrawal with respect to each aircraft shall not exceed the maximum
principal amount of the Equipment Notes for such aircraft as specified in the
Offering Memorandum dated September 22, 2000 of Midway relating to the Midway
Airlines Pass Through Certificates, Series 2000-1.

          (b) The Escrow Agent may, by providing at least 15 days' prior notice
of withdrawal to the Depositary in the form of Exhibit B hereto (a "Notice of
                                                                    ---------
Final Withdrawal"), withdraw the entire amount of the remaining Deposit together
----------------
with the payment by the Depositary

                                      -2-
<PAGE>

of all accrued and unpaid interest on the Deposit to but excluding the specified
date of withdrawal (a "Final Withdrawal"), on such date as shall be specified
                       ----------------
in such Notice of Final Withdrawal. If a Notice of Final Withdrawal has not been
given to the Depositary on or before November 30, 2001 (provided that, if a
labor strike occurs at The Boeing Company prior to such date (a "Labor Strike"),
                                                                 ------------
such date shall be extended by adding thereto the number of days that such
strike continued in effect (the "Additional Days")) and any portion of the
                                 ---------------
Deposit is unwithdrawn on such date, the Depositary shall pay the amount of the
Final Withdrawal to the Paying Agent on December 16, 2001 (provided that if a
Labor Strike occurs, such date shall be extended by the Additional Days).

          (c) If the Depositary receives a duly completed Notice of Purchase
Withdrawal or Notice of Final Withdrawal complying with the provisions of this
Agreement, it shall make the payments specified therein in accordance with the
provisions of this Agreement.

          SECTION 2.4    Re-Deposit.  On the date of withdrawal of any portion
                         ----------
of the Deposit, the Escrow Agent or the Pass Through Trustee, on behalf of the
Escrow Agent, shall be entitled to re-deposit with the Depositary any portion
thereof and the Depositary shall accept the same for re-deposit hereunder.  Any
sums so received for re-deposit shall be deemed not to have been withdrawn for
all purposes hereof.

          SECTION 3.  Termination.  This Agreement shall terminate on the fifth
                      -----------
Business Day after the later of the date on which (i) the entire amount of the
Deposit shall have been withdrawn and paid as provided herein and (ii) all
accrued and unpaid interest on the Deposit shall have been paid as provided
herein, but in no event prior to the date on which the Depositary shall have
performed in full its obligations hereunder.

          SECTION 4.  Payments.  All payments made by the Depositary hereunder
                      --------
shall be paid in United States Dollars and immediately available funds by wire
transfer (i) in the case of accrued interest on the Deposit payable under
Section 2.2 hereof or any Final Withdrawal, directly to the Paying Agent at
Allfirst Bank, ABA# 052000113, Account No. 090-02764, Attention: Credit Trust
Receipts, Reference:  Midway 2000 EETC A/C 76965, or to such other account as
the Paying Agent may direct from time to time in writing to the Depositary and
the Escrow Agent and (ii) in the case of any withdrawal of any portion of the
Deposit pursuant to a Notice of Purchase Withdrawal, directly to or as directed
by the Pass Through Trustee as specified and in the manner provided in such
Notice of Purchase Withdrawal.  The Depositary hereby waives any and all rights
of set-off, combination of accounts, right of retention or similar right
(whether arising under applicable law, contract or otherwise) it may have
against the Deposit howsoever arising.

          SECTION 5.  Representation and Warranties.  Each of the Depositary and
                      -----------------------------
the Escrow Agent hereby represents and warrants (as to itself only) to Midway,
the Subordination Agent, the Pass Through Trustee, the Paying Agent and to each
other that:

                                      -3-
<PAGE>

          (a) it is a bank duly organized and validly existing in good standing
     under the laws of its jurisdiction of organization and is duly qualified to
     conduct banking business in the United States and the State of Maryland (in
     the case of the Depositary) and the State of Delaware (in the case of the
     Escrow Agent);

          (b) it has full power, authority and legal right to conduct its
     business and operations as currently conducted and to enter into and
     perform its obligations under this Agreement;

          (c) the execution, delivery and performance of this Agreement have
     been duly authorized by all necessary corporate action on the part of it
     and do not require any stockholder approval, or approval or consent of any
     trustee or holder of any indebtedness or obligations of it, and such
     document has been duly executed and delivered by it and constitutes its
     legal, valid and binding obligations enforceable against it in accordance
     with the terms hereof;

          (d) no authorization, consent or approval of or other action by, and
     no  notice to or filing with, any United States federal or state
     governmental authority or regulatory body is required for the execution,
     delivery or performance by it of this Agreement;

          (e) neither the execution, delivery or performance by it of this
     Agreement, nor compliance with the terms and provisions hereof, conflicts
     or will conflict with or results or will result in a breach or violation of
     any of the terms, conditions or provisions of, or will require any consent
     or approval under, any law, governmental rule or regulation or the charter
     documents, as amended, or bylaws, as amended, of it or any similar
     instrument binding on it or any order, writ, injunction or decree of any
     court or governmental authority against it or by which it or any of its
     properties is bound or any indenture, mortgage or contract or other
     agreement or instrument to which it is a party or by which it or any of its
     properties is bound, or constitutes or will constitute a default thereunder
     or results or will result in the imposition of any lien upon any of its
     properties; and

          (f) there are no pending or, to its knowledge, threatened actions,
     suits, investigations or proceedings (whether or not purportedly on behalf
     of it) against or affecting it or any of its property before or by any
     court or administrative agency which, if adversely determined, (i) would
     adversely affect the ability of it to perform its obligations under this
     Agreement or (ii) would call into question or challenge the validity of
     this Agreement or the enforceability hereof in accordance with the terms
     hereof, nor is the Depositary or the Escrow Agent in default with respect
     to any order of any court, governmental authority, arbitration board or
     administrative agency so as to adversely affect its ability to perform its
     obligations under this Agreement.

                                      -4-
<PAGE>

          SECTION 6.  Transfer.  Neither party hereto shall be entitled to
                      --------
assign or otherwise transfer this Agreement (or any interest herein) and any
purported assignment in violation thereof shall be void.  This Agreement shall
be binding upon the parties hereto and their respective successors.

          SECTION 7.  Amendment, Etc.  This Agreement may not be amended, waived
                      --------------
or otherwise modified except by an instrument in writing signed by the party
against whom the amendment, waiver or other modification is sought to be
enforced and by the Pass Through Trustee.

          SECTION 8.  Notices.  Unless otherwise expressly provided herein, any
                      -------
notice or other communication under this Agreement shall be in writing
(including by facsimile) and shall be deemed to be given and effective upon
receipt thereof. All notices shall be sent to (x) in the case of the Depositary,
to Allfirst Bank, 25 South Charles Street, Mail Code 101-591, Baltimore,
Maryland 21201, Attention: Robert D. Brown and Donald Hargadon, Telecopier:
(410) 244-4236 or (y) in the case of the Escrow Agent, to First Union Trust
Company, National Association, One Rodney Square, 920 King Street, Suite 102,
Wilmington, Delaware 19801, Attention: Corporate Trust Administration,
Telecopier: 302-888-7544, in each case, with a copy to the Pass Through Trustee,
Allfirst Bank, 25 South Charles Street, Mail Code 101-591, Baltimore, Maryland
21201, Attention: Corporate Trust Department (Telecopier: (410) 244-4236) and to
Midway, Midway Airlines Corporation, 2801 Slater Road, Suite 200, Morrisville,
North Carolina 27560, Attention: General Counsel (Telecopier:  (919) 595-1705)
(or at such other address as any such party may specify from time to time in a
written notice to the parties hereto). On or prior to the execution of this
Agreement, the Escrow Agent has delivered to the Depositary a certificate
containing specimen signatures of the representatives of the Escrow Agent who
are authorized to give notices and instructions with respect to this Agreement.
The Depositary may conclusively rely on such certificate until the Depositary
receives written notice from the Escrow Agent to the contrary.

          SECTION 9.  Obligations Unconditional.  The Depositary hereby
                      -------------------------
acknowledges and agrees that its obligation to repay the Deposit together with
interest thereon as provided herein is absolute, irrevocable and unconditional
and constitutes a full recourse obligation of the Depositary enforceable against
it to the full extent of all of its assets and properties.

          SECTION 10. Entire Agreement.  This Agreement (including all
                      ----------------
attachments hereto) sets forth all of the promises, covenants, agreements,
conditions and understandings between the Depositary and the Escrow Agent with
respect to the subject matter hereof and supersedes all prior and
contemporaneous agreements and undertakings, inducements or conditions, express
or implied, oral or written.

          SECTION 11. Governing Law.  This Agreement, and the rights and
                      -------------
obligations of the Depositary and the Escrow Agent with respect to the Deposits,
shall be governed by, and construed in accordance with, the laws of the State of
New York and subject to the provisions of

                                      -5-
<PAGE>

Regulation D of the Board of Governors of the Federal Reserve System (or any
successor), as the same may be modified and supplemented and in effect from time
to time.

          SECTION 12. Waiver of Jury Trial Right.  EACH OF THE DEPOSITARY AND
                      --------------------------
THE ESCROW AGENT ACKNOWLEDGES AND ACCEPTS THAT IN ANY SUIT, ACTION OR PROCEEDING
ARISING OUT OF OR RELATED TO THIS AGREEMENT SUCH PARTY IRREVOCABLY WAIVES ITS
RIGHT TO A TRIAL BY JURY.

          SECTION 13. Counterparts.  This Agreement may be executed in one or
                      ------------
more counterparts, all of which taken together shall constitute one instrument.

            [The remainder of this page is intentionally left blank]

                                      -6-
<PAGE>

          IN WITNESS WHEREOF, the Escrow Agent and the Depositary have caused
this Deposit Agreement to be duly executed as of the day and year first above
written.

                                    FIRST UNION TRUST COMPANY,
                                     NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By: /s/ Sterling C. Correia
                                       -------------------------------------
                                       Name: Sterling C. Correia
                                       Title: Vice President

                                    ALLFIRST BANK
                                         as Depositary

                                    By: /s/ Robert D. Brown
                                       ------------------------------------
                                       Name: Robert D. Brown
                                       Title: Vice President

                                      -7-
<PAGE>

                                                                       EXHIBIT A

                         NOTICE OF PURCHASE WITHDRAWAL

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class B) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the
"Depositary") and to Account No. 76965 (the "Account").
 ----------

          In accordance with Section 2.3(a) of the Deposit Agreement, the
undersigned hereby requests the withdrawal of $________________ from the Account
on ______________.

          The undersigned hereby directs the Depositary to pay the proceeds of
the Deposit to Allfirst Bank, ABA No. 052000113, Account No. 090-02764,
Attention:  Credit Trust Receipts, Reference: Midway 2000 EETC A/C 76965 on
__________, 200_, upon the telephonic request of a representative of the Pass
Through Trustee.

                                    FIRST UNION TRUST COMPANY,
                                    NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By ______________________________________
                                         Name:
                                         Title:
Dated:  _______ __, 200_
<PAGE>

                                                                       EXHIBIT B

                           NOTICE OF FINAL WITHDRAWAL

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class B) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the
"Depositary").
 ----------

          In accordance with Section 2.3(b) of the Deposit Agreement, the
undersigned hereby requests the withdrawal of the entire amount of the Deposit
on ______________.

          The undersigned hereby directs the Depositary to pay the proceeds of
the Deposit and accrued interest thereon to the Paying Agent at Allfirst Bank,
ABA No. 052000113, Account No. 090-02764, Attention: Credit Trust Receipts,
Reference:  Midway 2000 EETC A/C 76965.

                                    FIRST UNION TRUST COMPANY,
                                      NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By _______________________________________
                                         Name:
                                         Title:

Dated:  _________, 200_
<PAGE>

                                                                       EXHIBIT C

                                INCREASE NOTICE

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class B) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the

"Depositary").
 ----------

          The  undersigned hereby notifies the Depositary that the Applicable
Rate shall increase by 0.50% per annum, effective __________, 200__.

                                    FIRST UNION TRUST COMPANY,
                                      NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By ______________________________________
                                         Name:
                                         Title:

Dated:  _________, 200_
<PAGE>

                                                                       EXHIBIT D

                               RESCISSION NOTICE

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class B) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the
"Depositary").
 ----------

          The  undersigned hereby notifies the Depositary that the Applicable
Rate shall decrease by 0.50% per annum, effective __________, 200__.

                                    FIRST UNION TRUST COMPANY,
                                      NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By _______________________________________
                                         Name:
                                         Title:

Dated:  _________, 200_<PAGE>

                                                                    Exhibit 10.9

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                               DEPOSIT AGREEMENT
                                   (Class C)

                         Dated as of September 27, 2000

                                    between

                FIRST UNION TRUST COMPANY, NATIONAL ASSOCIATION

                                as Escrow Agent

                                      and

                                 ALLFIRST BANK

                                 as Depositary

--------------------------------------------------------------------------------
<PAGE>

          DEPOSIT AGREEMENT (Class C) dated as of September 27, 2000 (as
amended, modified or supplemented from time to time, this "Agreement") between
                                                           ---------
FIRST UNION TRUST COMPANY, NATIONAL ASSOCIATION, as Escrow Agent under the
Escrow and Paying Agent Agreement referred to below (in such capacity, together
with its successors in such capacity, the "Escrow Agent"), and ALLFIRST BANK, as
                                           ------------
depositary bank (the "Depositary").
                      ----------

          In consideration of the obligations contained herein, and for other
good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto hereby agree as follows:

          SECTION 1.1  Acceptance of Depositary.  The Depositary hereby agrees
                       ------------------------
to act as depositary bank as provided herein and in connection therewith to
accept all amounts to be delivered to or held by the Depositary pursuant to the
terms of this Agreement.  The Depositary further agrees to hold, maintain and
safeguard the Deposit and the Account (as defined below) during the term of this
Agreement in accordance with the provisions of this Agreement.  The Escrow Agent
shall not have any right to withdraw, assign or otherwise transfer moneys held
in the Account except as permitted by this Agreement.

          SECTION 1.2  Establishment of Accounts.  The Escrow Agent hereby
                       -------------------------
instructs the Depositary, and the Depositary agrees, to establish the separate
deposit account, number 76966 (the "Account"), in the name of the Escrow Agent
                                    -------
and all on the terms and conditions set forth in this Agreement.

          SECTION 2.1  Deposit.  The Escrow Agent shall direct Morgan Stanley &
                       -------
Co. Incorporated and Seabury Securities LLC (the "Placement Agents") to deposit
with the Depositary on the date of this Agreement (the "Deposit Date") in
                                                        ------------
Federal (same day) funds by wire or other transfer to: Allfirst Bank, Reference:
Midway 2000-1, and the Depositary shall accept from the Placement Agents, on
behalf of the Escrow Agent, the sum of US$16,661,000, which amount represents
the proceeds of the Midway 2000-1 Pass Through Certificate offering.  Upon
acceptance of such sum, the Depositary shall credit such amount (the "Deposit")
to the Account.  No amount shall be deposited in the Account other than the
Deposit.

          SECTION 2.2  Interest.  (a) The Deposit shall bear interest from and
                       --------
including the date of deposit to but excluding the date of withdrawal at the
Applicable Rate (as defined below) (computed on the basis of a year of twelve
30-day months) payable to the Paying Agent on behalf of the Escrow Agent semi-
annually in arrears on each April 1 and October 1, and on the date of the Final
Withdrawal (as defined below), commencing on April 1, 2001 (each, an "Interest
                                                                      --------
Payment Date"), all in accordance with the terms of this Agreement (whether or
------------
not the Deposit is withdrawn on an Interest Payment Date).  Interest accrued on
the Deposit that is withdrawn pursuant to a Notice of Purchase Withdrawal (as
defined below) shall be paid on the next Interest Payment Date, notwithstanding
any intervening Final Withdrawal (as defined below). If the date on which any
payment due on the Deposit would otherwise fall on a day which is not a
Business Day (as defined
<PAGE>

below), such payment shall be made on the next succeeding Business Day, and no
additional interest shall accrue in respect of such extension.

          (b)  For purposes of this Agreement:

          "Applicable Rate" means 11.19% per annum plus, in the event the
           ---------------
     Depositary receives an Increase Notice (as defined below) and until such
     time, if any, as the Depositary receives the Rescission Notice (as defined
     below), 0.50% per annum, effective on the date specified in such Increase
     Notice to and including such date, if any, specified in such Rescission
     Notice.

          "Increase Notice" means a notice in the form attached hereto as
           ---------------
     Exhibit C, signed by the Escrow Agent, which shall be delivered in the
     event that any increase in interest rate is required to be effected
     pursuant to the terms of a certain registration rights agreement (the
     "Registration Agreement") dated as of the date hereof between Midway,
     Morgan Stanley & Co. Incorporated, Seabury Securities LLC and Allfirst
     Bank, as Trustee.

          "Rescission Notice" means a notice in the form attached hereto as
           -----------------
     Exhibit D, signed by the Escrow Agent, which shall be delivered in the
     event that any increase in the interest rate referred to in the definition
     of "Increase Notice" is no longer required pursuant to the Registration
     Agreement (as defined above).

          SECTION 2.3  Withdrawals.  (a)  On and after the date of the
                       -----------
establishment of the Deposit, the Escrow Agent may, by providing at least one
Business Day's prior notice (or in the case of the delivery of any aircraft on
the Deposit Date, the same Business Day notice) of withdrawal to the Depositary
in the form of Exhibit A hereto (a "Notice of Purchase Withdrawal"), withdraw
                                    -----------------------------
all or a portion of the Deposit, except that at any time prior to the any such
withdrawal, the Escrow Agent or the Pass Through Trustee may, by notice to the
Depositary, cancel such withdrawal (including on the scheduled date therefor),
and thereafter the Deposit shall continue to be maintained by the Depositary in
accordance with the original terms thereof.  Following any withdrawal the
balance in the Account shall be reduced by the amount of the withdrawal.  As
used herein, "Business Day" means any day, other than a Saturday, Sunday or
              ------------
other day on which commercial banks are authorized or required by law to close
in New York, New York, Charlotte, North Carolina, Wilmington, Delaware or
Baltimore, Maryland.  The amount to be withdrawn as specified in a Notice of
Purchase Withdrawal with respect to each aircraft shall not exceed the maximum
principal amount of the Equipment Notes for such aircraft as specified in the
Offering Memorandum dated September 22, 2000 of Midway relating to the Midway
Airlines Pass Through Certificates, Series 2000-1.

          (b) The Escrow Agent may, by providing at least 15 days' prior notice
of withdrawal to the Depositary in the form of Exhibit B hereto (a "Notice of
                                                                    ---------
Final Withdrawal"), withdraw the entire amount of the remaining Deposit together
----------------
with the payment by the Depositary

                                      -2-
<PAGE>

of all accrued and unpaid interest on the Deposit to but excluding the specified
date of withdrawal (a "Final Withdrawal"), on such date as shall be specified
                       ----------------
in such Notice of Final Withdrawal. If a Notice of Final Withdrawal has not been
given to the Depositary on or before November 30, 2001 (provided that, if a
labor strike occurs at The Boeing Company prior to such date (a "Labor Strike"),
                                                                 ------------
such date shall be extended by adding thereto the number of days that such
strike continued in effect (the "Additional Days")) and any portion of the
                                 ---------------
Deposit is unwithdrawn on such date, the Depositary shall pay the amount of the
Final Withdrawal to the Paying Agent on December 16, 2001 (provided that if a
Labor Strike occurs, such date shall be extended by the Additional Days).

          (c) If the Depositary receives a duly completed Notice of Purchase
Withdrawal or Notice of Final Withdrawal complying with the provisions of this
Agreement, it shall make the payments specified therein in accordance with the
provisions of this Agreement.

          SECTION 2.4 Re-Deposit.  On the date of withdrawal of any portion
                      ----------
of the Deposit, the Escrow Agent or the Pass Through Trustee, on behalf of the
Escrow Agent, shall be entitled to re-deposit with the Depositary any portion
thereof and the Depositary shall accept the same for re-deposit hereunder.  Any
sums so received for re-deposit shall be deemed not to have been withdrawn for
all purposes hereof.

          SECTION 3.  Termination.  This Agreement shall terminate on the fifth
                      -----------
Business Day after the later of the date on which (i) the entire amount of the
Deposit shall have been withdrawn and paid as provided herein and (ii) all
accrued and unpaid interest on the Deposit shall have been paid as provided
herein, but in no event prior to the date on which the Depositary shall have
performed in full its obligations hereunder.

          SECTION 4.  Payments.  All payments made by the Depositary hereunder
                      --------
shall be paid in United States Dollars and immediately available funds by wire
transfer (i) in the case of accrued interest on the Deposit payable under
Section 2.2 hereof or any Final Withdrawal, directly to the Paying Agent at
Allfirst Bank, ABA# 052000113, Account No. 090-02764, Attention: Credit Trust
Receipts, Reference:  Midway 2000 EETC A/C 76966, or to such other account as
the Paying Agent may direct from time to time in writing to the Depositary and
the Escrow Agent and (ii) in the case of any withdrawal of any portion of the
Deposit pursuant to a Notice of Purchase Withdrawal, directly to or as directed
by the Pass Through Trustee as specified and in the manner provided in such
Notice of Purchase Withdrawal.  The Depositary hereby waives any and all rights
of set-off, combination of accounts, right of retention or similar right
(whether arising under applicable law, contract or otherwise) it may have
against the Deposit howsoever arising.

          SECTION 5.  Representation and Warranties.  Each of the Depositary and
                      -----------------------------
the Escrow Agent hereby represents and warrants (as to itself only) to Midway,
the Subordination Agent, the Pass Through Trustee, the Paying Agent and to each
other that:

                                      -3-
<PAGE>

          (a) it is a bank duly organized and validly existing in good standing
     under the laws of its jurisdiction of organization and is duly qualified to
     conduct banking business in the United States and the State of Maryland (in
     the case of the Depositary) and the State of Delaware (in the case of the
     Escrow Agent);

          (b) it has full power, authority and legal right to conduct its
     business and operations as currently conducted and to enter into and
     perform its obligations under this Agreement;

          (c) the execution, delivery and performance of this Agreement have
     been duly authorized by all necessary corporate action on the part of it
     and do not require any stockholder approval, or approval or consent of any
     trustee or holder of any indebtedness or obligations of it, and such
     document has been duly executed and delivered by it and constitutes its
     legal, valid and binding obligations enforceable against it in accordance
     with the terms hereof;

          (d) no authorization, consent or approval of or other action by, and
     no  notice to or filing with, any United States federal or state
     governmental authority or regulatory body is required for the execution,
     delivery or performance by it of this Agreement;

          (e) neither the execution, delivery or performance by it of this
     Agreement, nor compliance with the terms and provisions hereof, conflicts
     or will conflict with or results or will result in a breach or violation of
     any of the terms, conditions or provisions of, or will require any consent
     or approval under, any law, governmental rule or regulation or the charter
     documents, as amended, or bylaws, as amended, of it or any similar
     instrument binding on it or any order, writ, injunction or decree of any
     court or governmental authority against it or by which it or any of its
     properties is bound or any indenture, mortgage or contract or other
     agreement or instrument to which it is a party or by which it or any of its
     properties is bound, or constitutes or will constitute a default thereunder
     or results or will result in the imposition of any lien upon any of its
     properties; and

          (f) there are no pending or, to its knowledge, threatened actions,
     suits, investigations or proceedings (whether or not purportedly on behalf
     of it) against or affecting it or any of its property before or by any
     court or administrative agency which, if adversely determined, (i) would
     adversely affect the ability of it to perform its obligations under this
     Agreement or (ii) would call into question or challenge the validity of
     this Agreement or the enforceability hereof in accordance with the terms
     hereof, nor is the Depositary or the Escrow Agent in default with respect
     to any order of any court, governmental authority, arbitration board or
     administrative agency so as to adversely affect its ability to perform its
     obligations under this Agreement.

                                      -4-
<PAGE>

          SECTION 6.  Transfer.  Neither party hereto shall be entitled to
                      --------
assign or otherwise transfer this Agreement (or any interest herein) and any
purported assignment in violation thereof shall be void.  This Agreement shall
be binding upon the parties hereto and their respective successors.

          SECTION 7.  Amendment, Etc.  This Agreement may not be amended, waived
                      --------------
or otherwise modified except by an instrument in writing signed by the party
against whom the amendment, waiver or other modification is sought to be
enforced and by the Pass Through Trustee.

          SECTION 8.  Notices.  Unless otherwise expressly provided herein, any
                      -------
notice or other communication under this Agreement shall be in writing
(including by facsimile) and shall be deemed to be given and effective upon
receipt thereof. All notices shall be sent to (x) in the case of the Depositary,
to Allfirst Bank, 25 South Charles Street, Mail Code 101-591, Baltimore,
Maryland 21201, Attention: Robert D. Brown and Donald Hargadon, Telecopier:
(410) 244-4236 or (y) in the case of the Escrow Agent, to First Union Trust
Company, National Association, One Rodney Square, 920 King Street, Suite 102,
Wilmington, Delaware 19801, Attention: Corporate Trust Administration,
Telecopier: 302-888-7544, in each case, with a copy to the Pass Through Trustee,
Allfirst Bank, 25 South Charles Street, Mail Code 101-591, Baltimore, Maryland
21201, Attention: Corporate Trust Department (Telecopier: (410) 244-4236) and to
Midway, Midway Airlines Corporation, 2801 Slater Road, Suite 200, Morrisville,
North Carolina 27560, Attention: General Counsel (Telecopier:  (919) 595-1705)
(or at such other address as any such party may specify from time to time in a
written notice to the parties hereto). On or prior to the execution of this
Agreement, the Escrow Agent has delivered to the Depositary a certificate
containing specimen signatures of the representatives of the Escrow Agent who
are authorized to give notices and instructions with respect to this Agreement.
The Depositary may conclusively rely on such certificate until the Depositary
receives written notice from the Escrow Agent to the contrary.

          SECTION 9.  Obligations Unconditional.  The Depositary hereby
                      -------------------------
acknowledges and agrees that its obligation to repay the Deposit together with
interest thereon as provided herein is absolute, irrevocable and unconditional
and constitutes a full recourse obligation of the Depositary enforceable against
it to the full extent of all of its assets and properties.

          SECTION 10.  Entire Agreement.  This Agreement (including all
                       ----------------
attachments hereto) sets forth all of the promises, covenants, agreements,
conditions and understandings between the Depositary and the Escrow Agent with
respect to the subject matter hereof and supersedes all prior and
contemporaneous agreements and undertakings, inducements or conditions, express
or implied, oral or written.

          SECTION 11.  Governing Law.  This Agreement, and the rights and
                       -------------
obligations of the Depositary and the Escrow Agent with respect to the Deposits,
shall be governed by, and construed in accordance with, the laws of the State of
New York and subject to the provisions of

                                      -5-
<PAGE>

Regulation D of the Board of Governors of the Federal Reserve System (or any
successor), as the same may be modified and supplemented and in effect from time
to time.

          SECTION 12.  Waiver of Jury Trial Right.  EACH OF THE DEPOSITARY AND
                       --------------------------
THE ESCROW AGENT ACKNOWLEDGES AND ACCEPTS THAT IN ANY SUIT, ACTION OR PROCEEDING
ARISING OUT OF OR RELATED TO THIS AGREEMENT SUCH PARTY IRREVOCABLY WAIVES ITS
RIGHT TO A TRIAL BY JURY.

          SECTION 13.  Counterparts.  This Agreement may be executed in one or
                       ------------
more counterparts, all of which taken together shall constitute one instrument.

            [The remainder of this page is intentionally left blank]

                                      -6-
<PAGE>

     IN WITNESS WHEREOF, the Escrow Agent and the Depositary have caused this
Deposit Agreement to be duly executed as of the day and year first above
written.

                                    FIRST UNION TRUST COMPANY,
                                     NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By: /s/ Sterling C. Correia
                                       --------------------------------------
                                       Name: Sterling C. Correia
                                       Title: Vice President

                                    ALLFIRST BANK
                                         as Depositary

                                    By: /s/ Robert D. Brown
                                       -------------------------------------
                                       Name: Robert D. Brown
                                       Title: Vice President

                                      -7-
<PAGE>

                                                                       EXHIBIT A

                         NOTICE OF PURCHASE WITHDRAWAL

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class C) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the
"Depositary") and to Account No. 76966 (the "Account").
 ----------

          In accordance with Section 2.3(a) of the Deposit Agreement, the
undersigned hereby requests the withdrawal of $________________ from the Account
on ______________.

          The undersigned hereby directs the Depositary to pay the proceeds of
the Deposit to Allfirst Bank, ABA No. 052000113, Account No. 090-02764,
Attention:  Credit Trust Receipts, Reference: Midway 2000 EETC A/C 76966 on
__________, 200_, upon the telephonic request of a representative of the Pass
Through Trustee.

                                    FIRST UNION TRUST COMPANY,
                                    NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By _______________________________________
                                         Name:
                                         Title:
Dated:  _______ __, 200_
<PAGE>

                                                                       EXHIBIT B

                           NOTICE OF FINAL WITHDRAWAL

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class C) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the
"Depositary").
 ----------

          In accordance with Section 2.3(b) of the Deposit Agreement, the
undersigned hereby requests the withdrawal of the entire amount of the Deposit
on ______________.

          The undersigned hereby directs the Depositary to pay the proceeds of
the Deposit and accrued interest thereon to the Paying Agent at Allfirst Bank,
ABA No. 052000113, Account No. 090-02764, Attention: Credit Trust Receipts,
Reference:  Midway 2000 EETC A/C 76966.

                                    FIRST UNION TRUST COMPANY,
                                      NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By______________________________________
                                         Name:
                                         Title:

Dated:  _________, 200_
<PAGE>

                                                                       EXHIBIT C

                                INCREASE NOTICE

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class C) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the

"Depositary").
 ----------

          The  undersigned hereby notifies the Depositary that the Applicable
Rate shall increase by 0.50% per annum, effective __________, 200__.

                                    FIRST UNION TRUST COMPANY,
                                      NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By _______________________________________
                                         Name:
                                         Title:

Dated:  _________, 200_
<PAGE>

                                                                       EXHIBIT D

                               RESCISSION NOTICE

Allfirst Bank
25 South Charles Street
Mail Code 101-591
Baltimore, Maryland
Attention: Robert D. Brown and Donald Hargadon

Telecopier: (410) 244-4236

Ladies and Gentlemen:

          Reference is made to the Deposit Agreement (Class C) dated as of
September 27, 2000 (the "Deposit Agreement") between First Union Trust Company,
                         -----------------
National Association, as Escrow Agent, and Allfirst Bank, as Depositary (the
"Depositary").
 ----------

          The  undersigned hereby notifies the Depositary that the Applicable
Rate shall decrease by 0.50% per annum, effective __________, 200__.

                                    FIRST UNION TRUST COMPANY,
                                      NATIONAL ASSOCIATION
                                         as Escrow Agent

                                    By _______________________________________
                                         Name:
                                         Title:

Dated:  _________, 200_

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