UNITED AIRLINES HOLDINGS INC COM USD0.01 revenue for the last year amounted to 53.72 B USD, the most of which — 49.05 B USD — came from its highest performing source at the moment, Passenger, the year earlier bringing 40.03 B USD. The greatest contribution to the revenue figure was made by United States and Canada — last year it brought UNITED AIRLINES HOLDINGS INC COM USD0.01 32.40 B USD, and the year before that — 28.47 B USD.