Southwest Airlines ATL Terminal operates from the Domestic Terminal (North Terminal), Concourse C, at Hartsfield-Jackson Atlanta International Airport (ATL). The airline’s ticket counter and baggage claim are located in the Domestic Terminal. For convenient check-in, self-service kiosks are available. Southwest recommends arriving at least 120 minutes before domestic flights.The airport offers various amenities, including free Wi-Fi, power outlets, and charging stations.Southwest Airlines operates from the Domestic Terminal (North Terminal), Concourse C, at Hartsfield-Jackson Atlanta International Airport (ATL).