High Quality Content by WIKIPEDIA articles! AirTran Airways is an American low-cost airline headquartered in Dallas, Texas and is a subsidiary of Southwest Airlines. AirTran operates nearly 700 daily flights, primarily in the eastern and midwestern United States, with its principal hub at Hartsfield-Jackson Atlanta International Airport where it operates nearly 200 daily departures. AirTran`s fleet consists of Boeing 717 aircraft, of which it was the largest operator, and Boeing 737-700 aircraft.