Exhibit 12.1 UAL Corporation and Subsidiary Companies Computation of Ratio of Earnings to Fixed Charges Three Months Ended March 31 1997 1996 (In Millions) ------------- Earnings: Earnings before income taxes and extraordinary item $ 171 $ 10 Fixed charges, from below 232 272 Undistributed earnings of affiliates (25) (20) Interest capitalized (24) (15) ----- ----- Earnings $ 354 $ 247 ===== ===== Fixed charges: Interest expense $ 69 $ 85 Portion of rental expense representative of the interest factor 163 187 ----- ----- Fixed charges $ 232 $ 272 ===== ===== Ratio of earnings to fixed charges 1.53 (a) ===== ===== - -------------- (a) Earnings were inadequate to cover fixed charges by $25 million in the first quarter of 1996.