Southwest Airlines Company revenue for the last year amounted to 27.48 B USD, the most of which — 24.98 B USD — came from its highest performing source at the moment, Passenger, the year earlier bringing 23.64 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Southwest Airlines Company 26.70 B USD, and the year before that — 25.00 B USD.