DELTA AIR LINES INC revenue for the last year amounted to 928.56 B MXN, the most of which — 928.56 B MXN — came from its highest performing source at the moment, Airline, the year earlier bringing 889.51 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought DELTA AIR LINES INC 693.76 B MXN, and the year before that — 750.50 B MXN.