**Exhibit12.2**

**NORTHWEST AIRLINES CORPORATION**

**COMPUTATIONOF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK REQUIREMENTS**

**(Dollars in millions)**
| ** **                                                               | ** **                                   | **Successor**           | ** ** | **Predecessor**          | ** ** |
|--------------------------------------------------------------------------|----------------------------------------------|-------------------------|------------|--------------------------|------------|
| ** **                                                               | ** **                                   | **Period from**    | ** ** | **Period from**     | ** ** | **Three months** | ** ** |
| ** **                                                               | ** **                                   | **June 1 to** | ** ** | **April 1 to** | ** ** | **Ended** | ** ** |
| ** **                                                               | ** **                                   | **June 30,**       | ** ** | **May 31,**         | ** ** | **June 30,** | ** ** |
| ** **                                                               | ** **                                   | **2007**                | ** ** | **2007**                 | ** ** | **2006** | ** ** |
| **Earnings:**                                                            |                                         |                    |       |                     |       |   |   |
|                                                                     |                                         |                    |       |                     |       |   |   |
| Income (loss) before  income taxes                                       |                                         | $                       | 175        |                     | $          | 2,042 |   | $ | (285 | ) |
| Less:                                                                    | Income  from less than 50%   owned investees |                    | —     |                     | —     |   | (4 | ) |
| Add:                                                                     |                                         |                    |       |                     |       |   |   |
| Rent expense  representative of interest(1)                              |                                         | 19                      |       | 38                       |       | 43 |   |
| Interest expense  net of capitalized interest (2)                        |                                         | 39                      |       | 84                       |       | 136 |   |
| Amortization of  debt discount and expense                               |                                         | 1                       |       | 3                        |       | 2 |   |
| Amortization of  interest capitalized                                    |                                         | —                  |       | 2                        |       | 2 |   |
|                                                                     |                                         |                    |       |                     |       |   |   |
| **Adjusted  earnings (loss)**                                            |                                         | $                       | 234        |                     | $          | 2,169 |   | $ | (98 | ) |
|                                                                     |                                         |                    |       |                     |       |   |   |
| **Fixed charges and preferred  stock requirements:**                     |                                         |                    |       |                     |       |   |   |
|                                                                     |                                         |                    |       |                     |       |   |   |
| Rent expense  representative of interest (1)                             |                                         | $                       | 19         |                     | $          | 38 |   | $ | 43 |   |
| Interest expense net of  capitalized interest (2)                        |                                         | 39                      |       | 84                       |       | 136 |   |
| Preferred stock  requirements                                            |                                         | —                  |       | —                   |       | — |   |
| Amortization of debt discount  and expense                               |                                         | 1                       |       | 3                        |       | 2 |   |
| Capitalized interest                                                     |                                         | 1                       |       | 3                        |       | 2 |   |
|                                                                     |                                         |                    |       |                     |       |   |   |
| **Fixed  charges and preferred stock requirements**                      |                                         | $                  | 60         |                     | $     | 128 |   | $  | 183 |   |
|                                                                     |                                         |                    |       |                     |       |   |   |
| **Ratio of earnings to fixed charges and preferred  stock requirements** |                                         | 3.90                    |       | 16.95                    |       | —   | (3) |
|                                                                          |                                              |                         |            |                          |            |  |  |  |  |  |  |

 

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(1)         Calculated as one-third of rentals, which isconsidered representative of the interest factor.

(2)         Subsequent to its Chapter 11 filing and priorto its emergence, the Company recorded post-petition interest expense onpre-petition obligations only to the extent it believed the interest would bepaid during the bankruptcy proceeding or that it was probable that the interestwould be an allowed claim.

(3)         Earnings were inadequate to cover fixedcharges and preferred stock requirements by $281 million for the three monthsended June 30,  2006.

56

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**NORTHWEST AIRLINES CORPORATION**

**COMPUTATIONOF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK REQUIREMENTS**

**(Dollars in millions)**
| ** **                                                               | ** **                                  | **Successor**           | ** ** | **Predecessor**            | ** ** |
|--------------------------------------------------------------------------|---------------------------------------------|-------------------------|------------|----------------------------|------------|
| ** **                                                               | ** **                                  | **Period from**    | ** ** | **Period from**       | ** ** | **Six months** | ** ** |
| ** **                                                               | ** **                                  | **June 1 to** | ** ** | **January 1 to** | ** ** | **Ended** | ** ** |
| ** **                                                               | ** **                                  | **June 30,**       | ** ** | **May 31,**           | ** ** | **June 30,** | ** ** |
| ** **                                                               | ** **                                  | **2007**                | ** ** | **2007**                   | ** ** | **2006** | ** ** |
| **Earnings:**                                                            |                                        |                    |       |                       |       |   |   |
|                                                                     |                                        |                    |       |                       |       |   |   |
| Income (loss)  before income taxes                                       |                                        | $                       | 175        |                       | $          | 1,749 |   | $ | (1,389 | ) |
| Less:                                                                    | Income from less than 50%   owned investees |                    | —     |                       | —     |   | (3 | ) |
| Add:                                                                     |                                        |                    |       |                       |       |   |   |
| Rent expense representative of interest (1)                              |                                        | 19                      |       | 97                         |       | 92 |   |
| Interest expense net of capitalized interest (2)                         |                                        | 39                      |       | 212                        |       | 272 |   |
| Amortization of debt discount and expense                                |                                        | 1                       |       | 7                          |       | 4 |   |
| Amortization of interest capitalized                                     |                                        | —                  |       | 3                          |       | 4 |   |
|                                                                     |                                        |                    |       |                       |       |   |   |
| **Adjusted earnings (loss)**                                             |                                        | $                       | 234        |                       | $          | 2,068 |   | $ | (1,014 | ) |
|                                                                     |                                        |                    |       |                       |       |   |   |
| **Fixed  charges and preferred stock requirements:**                     |                                        |                    |       |                       |       |   |   |
|                                                                     |                                        |                    |       |                       |       |   |   |
| Rent expense  representative of interest (1)                             |                                        | $                       | 19         |                       | $          | 97 |   | $ | 92 |   |
| Interest expense  net of capitalized interest (2)                        |                                        | 39                      |       | 212                        |       | 272 |   |
| Preferred stock  requirements                                            |                                        | —                  |       | —                     |       | — |   |
| Amortization of  debt discount and expense                               |                                        | 1                       |       | 7                          |       | 4 |   |
| Capitalized  interest                                                    |                                        | 1                       |       | 6                          |       | 4 |   |
|                                                                     |                                        |                    |       |                       |       |   |   |
| **Fixed charges and preferred stock requirements**                       |                                        | $                  | 60         |                       | $     | 322 |   | $  | 372 |   |
|                                                                     |                                        |                    |       |                       |       |   |   |
| **Ratio of earnings to fixed  charges and preferred stock requirements** |                                        | 3.90                    |       | 6.42                       |       | —   | (3) |
|                                                                          |                                             |                         |            |                            |            |  |  |  |  |  |  |

 

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(1)         Calculated as one-third of rentals, which isconsidered representative of the interest factor.

(2)         Subsequent to its Chapter 11 filing and priorto its emergence, the Company recorded post-petition interest expense onpre-petition obligations only to the extent it believed the interest would bepaid during the bankruptcy proceeding or that it was probable that the interestwould be an allowed claim.

(3)         Earnings were inadequate to cover fixedcharges and preferred stock requirements by $1.4 billion  for the six months ended June 30, 2006.

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