For travelers flying Southwest Airlines through Atlanta, the experience begins at Hartsfield-Jackson Atlanta International Airport (ATL)—the world’s busiest airport. Southwest operates out of Concourse C in the Domestic Terminal (North Terminal), offering convenient access to both regional and national destinations.
From the moment you arrive, Southwest passengers can expect a smooth process. Check-in counters are located on the north side of the terminal, with friendly staff ready to assist with boarding passes, baggage, and travel questions. For those who prefer self-service, Southwest offers automated kiosks and a user-friendly mobile app to streamline check-in.