Exhibit 12 UAL Corporation and Subsidiary Companies Computation of Ratio of Earnings to Fixed Charges Six Months Ended June 30 2000 1999 ---- ---- (In Millions) Earnings: Earnings before income taxes, extraordinary item and cumulative effect of accounting change $ 714 $1,176 Fixed charges, from below 509 501 Undistributed (earnings)losses of affiliates 3 (27) Interest capitalized (40) (36) ----- ----- Earnings $1,186 $1,614 ===== ===== Fixed charges: Interest expense $ 192 $ 184 Portion of rental expense representative of the interest factor 317 317 ----- ----- Fixed charges $ 509 $ 501 ===== ===== Ratio of earnings to fixed charges 2.33 3.22 ===== =====