Hartsfield-Jackson Atlanta International Airport (IATA: ATL, ICAO: KATL, FAA LID: ATL), known locally as Atlanta Airport, Hartsfield Airport, Hartsfield-Jackson is located seven miles (11 km) south of the central business district of Atlanta, Georgia, United States. It has been the world's busiest airport by passenger traffic as well as landings and take-offs. Additionally, Delta Air Lines operates the world's largest airline hub from the airport. The airport is increasingly becoming a major gateway for passengers boarding flights for other countries. In 2007, Atlanta's airport saw international traffic jump 10.2 percent over the previous year. More than 4.4 million passengers boarded international flights at Hartsfield-Jackson in 2007

The MARTA rail system (Metropolitan Atlanta Rapid Transit Authority) has a station within the airport terminal, and provides direct service to the business areas in downtown Atlanta, Buckhead and Sandy Springs.