Southwest Airlines uses Concourse C at Hartsfield-Jackson Atlanta International Airport (ATL). Passengers traveling with Southwest will check in and go through security at the Domestic Terminal, and then take the Plane Train or walk to Concourse C for their flight. When traveling with Southwest Airlines through Hartsfield-Jackson Atlanta International Airport (ATL), passengers will find the airline operating primarily out of Concourse C. As one of the busiest airports in the world, ATL Terminal Southwest ensures smooth operations with multiple concourses, well-organized for efficient navigation.
