**Exhibit 12.1**

 

**NORTHWESTAIRLINES CORPORATION**

**COMPUTATIONOF RATIO OF EARNINGS TO FIXED CHARGES**

**(Dollarsin millions)**

 

 
| ** **                                      | ** ** | **Three months ended** | ** ** |
|-------------------------------------------------|------------|------------------------|------------|
| ** **                                      | ** ** | **March 31**           | ** ** |
| ** **                                      | ** ** | **2005**               | ** ** | **2004** | ** ** |
| **Earnings:**                                   |       |                   |       |   |   |
|                                            |       |                   |       |   |   |
| Income (loss) before income taxes               |       | $                      | (445       | ) | $ | (223 | ) |
| Less: Income from less than 50% owned investees |       | 3                      |       | 1 |   |
| Add:                                            |       |                   |       |   |   |
| Rent expense representative of interest (1)     |       | 62                     |       | 62 |   |
| Interest expense net of capitalized interest    |       | 144                    |       | 124 |   |
| Amortization of debt discount and expense       |       | 7                      |       | 8 |   |
| Amortization of interest capitalized            |       | 2                      |       | 2 |   |
|                                            |       |                   |       |   |   |
| **Adjusted earnings**                           |       | $                      | (233       | ) | $ | (28 | ) |
|                                            |       |                   |       |   |   |
| **Fixed charges:**                              |       |                   |       |   |   |
|                                            |       |                   |       |   |   |
| Rent expense representative of interest (1)     |       | $                      | 62         |   | $ | 62 |   |
| Interest expense net of capitalized interest    |       | 144                    |       | 124 |   |
| Amortization of debt discount and expense       |       | 7                      |       | 8 |   |
| Capitalized interest                            |       | 2                      |       | 2 |   |
|                                            |       |                   |       |   |   |
| **Fixed charges**                               |       | $                      | 215        |   | $ | 196 |   |
|                                            |       |                   |       |   |   |
| **Ratio of earnings to fixed charges**          |       | —                 | (2)        | — | (2) |

 

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| (1)    | Calculated as one-third of rentals, which is  considered representative of the interest factor.                                                                |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                           |
| (2)    | Earnings were inadequate to cover fixed charges by  $448 million and $224 million for the three months

ended March 31, 2005 and March 31, 2004,  respectvely. |

 

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