Exhibit 12.1

NORTHWEST AIRLINES CORPORATION        COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

|                                                             |                                                              | Three months ended
March 31 |     
|------------------------------------------------------------ | ------------------------------------------------------------ | --------------------------- | ----
|
|
|Earnings:                                                    |                                                              |                             |     
|Income (loss) before income taxes                            |                                                              | $                           | (261
|Less: Income from less than 50% owned investees              |                                                              |                             | 13  
|Add:                                                         |                                                              |                             |     
|                                                             | Rent expense representative of interest(1)                   |                             |     
|                                                             | Interest expense net of capitalized interest                 |                             |     
|                                                             | Interest of mandatorily redeemable preferred security holder |                             |     
|                                                             | Amortization of debt discount and expense                    |                             |     
|                                                             | Amortization of interest capitalized                         |                             |     
|                                                             |                                                              |                             |     
|                                                             | Adjusted earnings                                            |                             | $   
|                                                             |                                                              |                             |     
|Fixed charges:                                               |                                                              |                             |     
|Rent expense representative of interest(1)                   |                                                              | $                           | 58  
|Interest expense net of capitalized interest                 |                                                              |                             | 90  
|Interest of mandatorily redeemable preferred security holder |                                                              |                             | 5   
|Amortization of debt discount and expense                    |                                                              |                             | 4   
|Capitalized interest                                         |                                                              |                             | 7   
|                                                             |                                                              |                             |     
|                                                             | Fixed charges                                                |                             | $   
|                                                             |                                                              |                             |     
|Ratio of earnings to fixed charges                           |                                                              |                             |    
|                                                             |                                                              |                             |     

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