Nashville International Airport (IATA: BNA, ICAO: KBNA, FAA LID: BNA) is a public/military airport in the southeastern section of Nashville, Tennessee, United States. Established in 1937, its original name was Berry Field, from which its ICAO and IATA identifiers are derived. The current terminal was built in 1987, and the airport took its current name in 1988. Nashville International Airport has four runways and covers 4,555 acres (1,843 ha) of land. It is the busiest airport in Tennessee, with more boardings and arrivals than all other airports in the state combined. The airport was first served by American Airlines and Eastern Air Lines and was a hub for American in the late 20th century. The airport now offers service to 99 destinations across the United States as well as a number of international destinations.