Frontier Airlines ATL Terminal At Atlanta's Hartsfield-Jackson International Airport (ATL), Frontier Airlines is based out of Terminal N (North Terminal). In addition to handling domestic flights, this terminal offers a variety of services, including shopping, dining, and customer assistance. Once reaching Terminal N, travelers can go through security, check in at the Frontier Airlines counter, and use their departure gates. The Plane Train connects the terminal to other areas of the airport and makes it simple to transit to different concourses and amenities. To guarantee a seamless travel experience, make sure to arrive early.
