Pittsburgh International Airport to lose 2 Pa. flightsPittsburgh International Airport will lose its flights to DuBois and Bradford after the federal Department of Transportation begins its next round of subsidized flight contracts on Feb. 1. The carrier, Southern Airways Express, relies heavily on the Department of Transportation’s Essential Air Service Program, which subsidizes flights to small communitiesPittsburgh Tribune-Review3d agoWhole story →Buildessential air service contract changes