Exhibit 12 AMR CORPORATION Computation of Ratio of Earnings to Fixed Charges (in millions) Three Months Ended Six Months Ended June 30, June 30, 2004 2003 2004 2003 Earnings (loss): Earnings (loss) before income taxes $ 6 $ (75) $(160) $(1,118) Add: Total fixed charges (per below) 441 434 876 871 Less: Interest capitalized 20 18 38 37 Total earnings (loss) before income taxes $427 $ 341 $678 $ (284) Fixed charges: Interest, including interest capitalized $205 $ 181 $406 $ 364 Portion of rental expense representative of the interest factor 221 241 441 485 Amortization of debt expense 15 12 29 22 Total fixed charges $441 $ 434 $876 $ 871 Coverage deficiency $ 14 $ 93 $198 $1,155