Fort Smith Regional Airport (IATA: FSM, ICAO: KFSM, FAA LID: FSM) is a public use airport located three nautical miles (6 km) southeast of the central business district of Fort Smith, in Sebastian County, Arkansas, United States. FSM is governed by the Fort Smith Airport Commission as established by the City of Fort Smith, Arkansas. It serves the transportation needs of residents and businesses of Western Arkansas and Eastern Oklahoma. FSM is served by the regional airline affiliates of Delta Air Lines and American Airlines. It has a large population of corporate and general aviation aircraft.