History Hartsfield–Jackson Atlanta International Airport's air traffic control tower A line of automated and staffed ticketing counters for Delta, Atlanta's major tenant airline A hallway connecting Concourse B to Concourse A at Hartsfield–Jackson Atlanta International Airport Aerial view of Concourse C A view of the International Concourse E and control tower at night Candler Field/Atlanta Municipal Airport (1925–1961) The airport's domestic terminal is served by MARTA's Red and Gold rail lines. The airport is mostly in unincorporated areas of Clayton County, but it spills into the city limits of Atlanta, College Park, and Hapeville, in territory extending into Fulton County. The airport has international service within North America and to Latin America, Europe, Africa, Middle East and East Asia. Aside from Delta, Hartsfield-Jackson is also a focus city for low-cost carriers Frontier Airlines and Southwest Airlines. In addition to hosting Delta's corporate headquarters, Hartsfield–Jackson is also the home of Delta's Technical Operations Center, which is the airline's primary maintenance, repair and overhaul arm. With just over 1,000 flights a day to 225 domestic and international destinations, the Delta hub is the world's largest airline hub and is considered the first mega-hub in America. Hartsfield–Jackson is the primary hub of Delta Air Lines. In 2022, the airport had over 93.6 million passengers, the most of any airport in the world. Since 1998, Hartsfield-Jackson has been the world's busiest airport by passenger traffic. ATL covers 4,700 acres (1,900 ha) of land and has five parallel runways. It is named after former Atlanta mayors William B. The airport is located 10 mi (16 km) south of the Downtown Atlanta district. Hartsfield–Jackson Atlanta International Airport ( IATA: ATL, ICAO: KATL, FAA LID: ATL), also known as Atlanta Hartsfield–Jackson International Airport, Hartsfield–Jackson International Airport, Atlanta Airport, Hartsfield–Jackson, and formerly as the Atlanta Municipal Airport, is the primary international airport serving Atlanta, Georgia, United States. Source: Hartsfield–Jackson Atlanta International Airport

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