EXHIBIT 12 AMR CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (IN MILLIONS) <Table> <Caption> Three Months Ended March 31, ------------------------------ 2002 2001 ------------ ------------ Earnings (loss): Loss before income taxes and cumulative effect of accounting change $ (863) $ (57) Add: Total fixed charges (per below) 440 332 Less: Interest capitalized 22 41 ------------ ------------ Total earnings (loss) before income taxes and cumulative effect of accounting change $ (445) $ 234 ============ ============ Fixed charges: Interest $ 160 $ 114 Portion of rental expense representative of the interest factor 272 212 Amortization of debt expense 8 6 ------------ ------------ Total fixed charges $ 440 $ 332 ============ ============ Coverage deficiency $ 885 $ 98 ============ ============ </Table>