- Spirit Airlines operates out of Terminal S at Hartsfield-Jackson Atlanta International Airport (ATL). A variety of services are available to passengers at Spirit Airlines Hartsfield-Jackson Atlanta International Airport. Travelers can check in at the Spirit Airlines counter or utilize self-service kiosks for convenience. The station also features facilities including food sellers, restrooms, and cozy seating places. For travelers flying with Spirit, the terminal ensures easy access to gates and seamless boarding processes. Arriving early is recommended due to the airline's low-cost business model, which sometimes involves additional fees for items like luggage handling and seat selection.