UNITED AIRLINES HOLDINGS INC revenue for the last year amounted to 912.39 B MXN, the most of which — 833.05 B MXN — came from its highest performing source at the moment, Passenger, the year earlier bringing 780.81 B MXN. The greatest contribution to the revenue figure was made by United States and Canada — last year it brought UNITED AIRLINES HOLDINGS INC 550.32 B MXN, and the year before that — 555.37 B MXN.