Exhibit 12 AMR CORPORATION Computation of Ratio of Earnings to Fixed Charges (in millions) Three Months Nine Months Ended Ended September 30, September 30, 2006 2005 2006 2005 Earnings (loss): Earnings (loss) before income taxes $ 15 $(153) $ 214 $(257) Add: Total fixed charges(per below) 488 471 1,461 1,363 Less: Interest capitalized 7 12 21 59 Total earnings (loss) before income taxes $ 496 $ 306 $1,654 $1,047 Fixed charges: Interest, including interest capitalized $ 245 $ 224 $ 735 $ 653 Portion of rental expense representative of the interest factor 225 228 668 656 Amortization of debt expense 18 19 58 54 Total fixed charges $ 488 $ 471 $1,461 $1,363 Ratio of earnings to fixed charges 1.02 - 1.13 - Coverage deficiency $ - $ 165 $ - $ 316