China Southern Airlines Co. Ltd. revenue for the last year amounted to 22.53 B USD, the most of which — 22.29 B USD — came from its highest performing source at the moment, Airline Transportation, the year earlier bringing 12.79 B USD. The greatest contribution to the revenue figure was made by China — last year it brought China Southern Airlines Co. Ltd. 17.39 B USD, and the year before that — 8.52 B USD.