# ADELTA; % [::P i cfj:]':^-om m

I •• • Alexande rVa n de rBelle n Managin g Directo ran d Associat e Genera l Counse l Delt a Ai rLines , Inc . 121 2 NewYor k

Avenu e N W Washington , D

C 2000 5 202.842.418 4 sascha.vanderbellen@delta.co m Februarys , 201 0 Ms . Doroth yBeard Chief , Docke t Operations , M-3 0 U.S . Departmen t o fTransportatio n Wes t Buildin g Groun d Floor , Roo m W12-14 0 120 0 NewJerse yAve , S E Washington , D C 2059 0 Re : DeitaA^irgi n Blu e Grou p Antitrus t Immunit yApplicatio n Docke t DOT-OST-2009-015 5 Dea rMs . Beard : Delt a an d th e Virgi n Blu e partie s reques t confidentia l treatmen t fo rth e interna l dat a submitte d i n respons e t o Orde r2009-11-2 0 (dat a questio n 2) . Th e partie s adop t an d incorporat e by referenc e thei rRul e 1 2 motion , file d o n Januar y15 , 2010 , whic h covers thi s an d al l material s submitte d i n respons e t o Orde r2009-11-20 . Thi s dat a i s bein g submitte d i n a seale d envelop e marke d "Confidentia l Treatmen t Requeste d unde r§ 302.12. " Acces s i s restricte d t o counse l an d outsid e expert s wh o hav e file d vali d confidentialityaffidavits . Technica l note s o n th e dat a ar e provide d a t Attachmen t At o thi s letter . Respectfull ysubmitted . 

# ^^TAlexande rVa n de rBelle n cc : Anit a Mosner , esq . Soph yChen , esq . Counse l t o th e Virgi n Blu e Partie s Servic e Lis tAttachmen t A

Dat a Notes :

•A s agree d wit h Departmen t staff . Delta' s dat a productio n i s limite d t o Delta/Northwes t plate d ticket s an d Virgi n Blue' s dat a productio n i s limite d t o Virgi n Blu e Grou p plate d tickets . •A s requeste d byDepartmen t staff , i n bot h dat a sets , instance s o f"N Wwer e replace d wit h "DL " an d instance s o f"DJ " wer e replace d wit h "VA " s o Delta/Northwes t i s treate d a s a singl e carrie ran d V Australia/Virgi n Blu e i s treate d a s a singl e carrier . •Fo rDelta , marke t directiona l trip s wer e broke n base d o n th e 24/ 4 rul e requeste d i n th e Department' s instructions . Fo rVirgi n Blue , 7 2 hours betwee n departure s wa s use d a s th e principa l basi s fo rbreakin g th e trip . Additiona l filter s wer e use d t o accuratel yrepor t shorter-duratio n O&Ds , however , ther e wer e instance s wher e passengers returne d o n th e next fligh t an d origi n i s therefor e reporte d a s equalin g destinatio n i n a ver ylimite d numbe ro finstances . •Fo rDelta , ticke t revenu e wa s prorate d base d o n th e variou s proratio n methodologie s use d byDelta' s Revenu e Pipelin e grou p i n th e ordinar ycours e o fbusiness . Generally , proratio n methodologie s var ybase d o n whethe rothe rairline s are involve d i n th e itinerar y(i n whic h case . Specia l Prorat e Agreement s o rindustr yproratio n rule s apply ) o rwhethe ritinerarie s ar e wholl yonlin e (i n whic h cas e Delta' s interna l proratio n rule s ~ whic h us e mileag e a s a facto r~ apply. ) Fo rVirgi n Blue , proratio n i s carrie d ou t by Virgi n Blue' s thir d partydat a service s vendo rusin g SPAs fo ral l partne rairlines . •Fo rDelta , marke t far e amount s represen t ne t revenu e (i.e . the yexclud e taxe s an d fees) . Taxe s an d fee s are exclude d becaus e taxe s an d fee s ar e not a par t o f th e revenu e realize d byDelt a an d ar e therefor e not recognize d an d prorate d byDelta' s revenu e accountin g system s i n th e sam e manne ra s fares . Fue l surcharge s are include d i n Delta' s marke t far e amount s an d are prorate d alon g wit h th e bas e fare . Fo rVirgi n Blue , marke t far e amount s represen t bas e fare s plu s fue l surcharge s an d exclud e othe rtaxe s an d fees . •Fo rDelta , th e Purchas e Clas s fiel d i s comprise d o fth e followin g categories : Unrestricte d Business , Restricte d Business , Unrestricte d Economy , Restricte d Economy , OAFirst , O ABusiness , OACoach , an d D L Em p Pas s (Employe e Pas s Travel) . A s requeste d b yth e Department , th e Purchas e Clas s fo rth e transpacifi c le g i s liste d a s th e Purchas e Clas s fo ral l segment s o fa marke t directional . Th e categorizatio n o fUnrestricte d vs . Restricte d onl yapplie s t o journey s wher e Delt a operate d th e transpacifi cleg . I fa n airlin e othe rtha n Delt a operate d th e transpacifi cleg . Delt a i s onl yabl e t o determin e th e passenge rcabin , no t th e typ e o ffar e used . Fo rVirgi n Blue , th e Purchas e Clas s fiel d i s comprise d o fth e followin g categories : Restricte d Business , Restricte d Economy , Restricte d Premiu m Economy , StaffBusiness , StaffEconomy , StaffPremiu m Economy , Unrestricte d Business , Unrestricte d Economy , an d Unrestricte d Premiu m Economy . Th e categorizatio n o fUnrestricte d vs . Restricte d onl yapplie s t o journey s wher e V Australi a operate d th e transpacifi cleg . V Australi a ha s no t identifie d th e clas s o rcabi n i fth e le g i s no t operate d byV Australia .CERTIFICAT E O F SERVIC E Acop yo fth e foregoin g Documen t ha s bee n serve d thi s S" ' dayo fFebruary , 2010 , upo n th e followin g person s vi a email : Marshal l S . Sinic k Counse l fo rAlask a Airline s msinick@ssd.co m Car l B . Nelso n Jr . Associat e Genera l Counse l America n Airline s Inc . carl.nelson@aa.co m Joh n L . Richardso n Counse l fo rAmerije t Internationa l jrichardson@johnlrichardson.co m Angelin e Bird Sandra Lunsford Federa l Expres s Corporatio n anbird@fedex.co m sllunsford@fedex.co m Mar k Atwoo d Counse l fo rKalitt a Ai r matwood@sherblackwell.co m Thoma s V . Lydo n Kell i Brya n Evergree n Internationa l Airlines , Inc . tom.lydon@evergreen.co m charters@evergreenairlines.co m Russel l E . Pomme r Associat e Genera l Counse l & Directo ro f Regulator

yAffair s Atla s Air , Inc . rpommer@atlasair.co m Kevi n P . Montgomer

y Pola rAi rCargo , Inc . kevin.montgomery@polaraircargo.co m Lawrenc e D . Wasko ldwasko@starpower.ne t Counse l fo rArro wAir , Inc . Stephe n Lachte r lachter@starpower.ne t Counse l fo rASTA R Ai rCargo , Inc . Howard Kas s Benjami n T . Slocu m U S Airway s howard_kass@usairways.co m benjamin.slocum@usairways.co m Davi d L . Vaugha n Daniell e Fishe r Counse l fo rUnite d Parce l Servic e dvaughan@kellydrye.co m dfisher@kelleydrye.co m Hershe l Kame n Da n Weis s Continenta l Airline s hkamen@coair.co m dan.weiss@coair.co m Jeffre yA . Manle y Juli e Oettinge r Unite d Airline s jeffrey.manley@united.co m julie.oettinger@united.co m Mar k McMilli n Assistan t Genera l Counse l Worl d Airway s Inc . mcmillin@woa.co m Malcol m Beng e mlbenge@zsrlaw.co m Counse l fo rWorl d Airway s Inc . Jonatha n B . Hil l jhill@dlalaw.co m Counse l fo rHawaiia n Airlines , In cJoh n Byerl y

DeputyAssistan t Secretar yfo rTransportatio n Affairs U.S . Departmen t o fStat e byerlyjr@state.go v Joh n Alle n Federa l Aviatio n Administratio n john.allen@faa.go v Tod d Homa n Pete rIrvin e U.S . Departmen t o fTransportatio n todd.homan@dot.go v peter.irvine@dot.go v Jil l Ptace k U.S . Departmen t o fJustic e Jill.Ptacek@usdoj.go v