#### **Exhibit 12.1**

####  

#### **NORTHWEST AIRLINES CORPORATION**

#### ** **

#### **COMPUTATION OF RATIO OFEARNINGS TO FIXED CHARGES**

#### **(Dollars in millions)**

####  

| ** **                                                                                              | ** ** | **Successor**         | ** **    | **Predecessor**         | ** ** |
|---------------------------------------------------------------------------------------------------------|------------|-----------------------|---------------|-------------------------|------------|
| ** **                                                                                              | ** ** | **Three Months** | ** **    | **Period from**    | ** ** | **Period from** | ** ** |
| ** **                                                                                              | ** ** | **Ended**             | ** **    | **June 1 to** | ** ** | **April 1 to** | ** ** |
| ** **                                                                                              | ** ** | **June 30,**     | ** **    | **June 30,**       | ** ** | **May 31,** | ** ** |
| ** **                                                                                              | ** ** | **2008**              | ** **    | **2007**                | ** ** | **2007** | ** ** |
| **Earnings:**                                                                                           |       |                  |          |                    |       |   |   |
|                                                                                                    |       |                  |          |                    |       |   |   |
| Income (loss)  before income taxes                                                                      |       | **$**                 | **(591**      | **)**                   | $          | 175 |   | $ | 2,042 |   |
|                                                                                                    |       | ** **            | ** **    | ** **              |       |   |   |   |   |   |
| Less:                                                                                                   |       | ** **            | ** **    |                    |       |   |   |
| Capitalized  interest                                                                                   |       | **3**                 | ** **    | 1                       |       | 3 |   |
| Add:                                                                                                    |       | ** **            | ** **    |                    |       |   |   |
| Fixed charges  from below                                                                               |       | **170**               | ** **    | 60                      |       | 128 |   |
| Amortization of  interest capitalized                                                                   |       | **—**            | ** **    | —                  |       | 2 |   |
|                                                                                                    |       | ** **            | ** **    |                    |       |   |   |
| **Adjusted  earnings**                                                                                  |       | **$**                 | **(424**      | **)**                   | $          | 234 |   | $ | 2,169 |   |
|                                                                                                    |       | ** **            | ** **    |                    |       |   |   |
| **Fixed  charges:**                                                                                     |       | ** **            | ** **    |                    |       |   |   |
|                                                                                                    |       | ** **            | ** **    |                    |       |   |   |
| Rent expense  representative of interest (1)                                                            |       | **$**                 | **59**        | ** **              | $          | 19 |   | $ | 38 |   |
| Interest  expensed and capitalized, issuance costs and amortization of debt discounts  and premiums (2) |       | **111**               | ** **    | 41                      |       | 90 |   |
|                                                                                                    |       | ** **            | ** **    |                    |       |   |   |
| **Fixed  charges**                                                                                      |       | **$**                 | **170**       | ** **              | $          | 60 |   | $ | 128 |   |
|                                                                                                    |       | ** **            | ** **    |                    |       |   |   |
| **Ratio  of earnings to fixed charges**                                                                 |       | **—**            | ** (3)** | 3.90                    |       | 16.95 |   |

####  

| (1)    | Calculated as one-third of rentals, which is  considered representative of the interest factor.                                                                                                                                                                                                                     |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                                                                                                                                |
| (2)    | Subsequent to its Chapter 11 filing and prior to its  emergence, the Company recorded post-petition interest expense on  pre-petition obligations only to the extent it believed the interest would be  paid during the bankruptcy proceeding or that it was probable that the  interest would be an allowed claim. |
|   |                                                                                                                                                                                                                                                                                                                |
| (3)    | Earnings were inadequate to cover fixed charges by $594  million for the three months ended June 30, 2008.                                                                                                                                                                                                     |

 

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**NORTHWEST AIRLINES CORPORATION**

 

**COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES**

**(Dollars in millions)**

 
| ** **                                                                                             | ** ** | **Successor**       | ** **    | **Predecessor**         | ** ** |
|--------------------------------------------------------------------------------------------------------|------------|---------------------|---------------|-------------------------|------------|
| ** **                                                                                             | ** ** | **Six Months** | ** **    | **Period from**    | ** ** | **Period from** | ** ** |
| ** **                                                                                             | ** ** | **Ended**           | ** **    | **June 1 to** | ** ** | **January 1 to** | ** ** |
| ** **                                                                                             | ** ** | **June 30,**   | ** **    | **June 30,**       | ** ** | **May 31,** | ** ** |
| ** **                                                                                             | ** ** | **2008**            | ** **    | **2007**                | ** ** | **2007** | ** ** |
| **Earnings:**                                                                                          |       |                |          |                    |       |   |   |
|                                                                                                   |       |                | ** **    |                    |       |   |   |
| Income (loss)  before income taxes                                                                     | ** ** | **$**               | **(4,730**    | **)**                   | $          | 175 |   | $ | 1,749 |   |
| Less:                                                                                                  |       |                | ** **    |                    |       |   |   |
| Capitalized  interest                                                                                  | ** ** | **6**               | ** **    | 1                       |       | 6 |   |
| Add:                                                                                                   |       |                | ** **    |                    |       |   |   |
| Fixed Charges,  from below                                                                             | ** ** | **344**             | ** **    | 60                      |       | 322 |   |
| Amortization of  interest capitalized                                                                  | ** ** | **—**          | ** **    | —                  |       | 3 |   |
|                                                                                                   |       |                | ** **    |                    |       |   |   |
| **Adjusted  earnings**                                                                                 | ** ** | **$**               | **(4,392**    | **)**                   | $          | 234 |   | $ | 2,068 |   |
|                                                                                                   |       |                | ** **    |                    |       |   |   |
| **Fixed  charges:**                                                                                    |       |                | ** **    |                    |       |   |   |
|                                                                                                   |       |                | ** **    |                    |       |   |   |
| Rent expense  representative of interest (1)                                                           | ** ** | **$**               | **116**       | ** **              | $          | 19 |   | $ | 97 |   |
| Interest expense  and capitalized, issuance costs and amortization of debt discounts and  premiums (2) | ** ** | **228**             | ** **    | 41                      |       | 225 |   |
|                                                                                                   |       |                | ** **    |                    |       |   |   |
| **Fixed  charges**                                                                                     | ** ** | **$**               | **344**       | ** **              | $          | 60 |   | $ | 322 |   |
|                                                                                                   |       |                | ** **    |                    |       |   |   |
| **Ratio  of earnings to fixed charges**                                                                | ** ** | **—**          | ** (3)** | 3.90                    |       | 6.42 |   |

 
| (1)    | Calculated as one-third of  rentals, which is considered representative of the interest factor.                                                                                                                                                                                                                     |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                                                                                                                                                |
| (2)    | Subsequent to its Chapter  11 filing and prior to its emergence, the Company recorded post-petition interest  expense on pre-petition obligations only to the extent it believed the  interest would be paid during the bankruptcy proceeding or that it was  probable that the interest would be an allowed claim. |
|   |                                                                                                                                                                                                                                                                                                                |
| (3)    | Earnings were inadequate to  cover fixed charges by $4.7 billion for the six months ended June 30,  2008.                                                                                                                                                                                                      |

 

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