AccessAir, Air Midwest, AirTran Airways, America West Airlines, American Airlines, Allegiant Air, Chicago Air, Midway Connection, Northwest Airlines, Ozark Air Lines, Pan American World Airways, Skyway Airlines, Trans World Airlines and United Airlines have flown to Quad Cities. At one time Mississippi Valley Airlines had its headquarters at the airport. In the early and mid-1990s turboprop equipment was common; Northwest Airlink and other airlines had Saab 340Bs. Carriers have replaced their turboprops with newer regional jets. Allegiant Air MD 80s fly to Orlando, Las Vegas, Clearwater, and Phoenix/Mesa.