Exhibit 12 AMR CORPORATION Computation of Ratio of Earnings to Fixed Charges (in millions) Three Months Ended Six Months Ended June 30, June 30, 2007 2006 2007 2006 Earnings: Earnings before income taxes $317 $291 $398 $199 Add: Total fixed charges (per below) 459 489 938 973 Less: Interest capitalized 5 7 14 14 Total earnings before income taxes $ 771 $ 773 $1,322 $1,158 Fixed charges: Interest $ 220 $ 245 $ 447 $ 490 Portion of rental expense representative of the interest factor 221 225 454 443 Amortization of debt expense 18 19 37 40 Total fixed charges $ 459 $ 489 $ 938 $ 973 Ratio of earnings to fixed charges 1.68 1.58 1.41 1.19