Spirit Airlines is based out of Hartsfield-Jackson Atlanta International Airport's (ATL) Terminal N (North Terminal). Spirit's internal and international flights are handled at this Spirit Airlines ATL Terminal .Travelers can check in at the ticket desks on Terminal N's departure level. Travelers go through security after checking in in order to access the gate sections. Known for its low prices, Spirit Airlines has some rules about baggage and other services that passengers should know about. Restaurants and retail establishments are among the facilities provided at Terminal N.