Exhibit 12.1 UAL Corporation and Subsidiary Companies Computation of Ratio of Earnings to Fixed Charges Nine Months Ended September 30 1995 1994 (In Millions) Earnings: Earnings before income taxes $ 651 $ 161 Fixed charges, from below 913 772 Undistributed earnings of affiliates (34) (20) Interest capitalized (31) (31) Earnings $ 1,499 $ 882 Fixed charges: Interest expense $ 304 $ 268 Portion of rental expense representative of the interest factor 609 504 Fixed charges $ 913 $ 772 Ratio of earnings to fixed charges 1.64 1.14