[url=https://flightsterminals.com/frontier-airlines/frontier-airlines-atl-terminal-hartsfield-jackson-atlanta-international-airport/]Frontier Airlines ATL Terminal[/url]. At this terminal, Customers of Frontier Airlines have the option of checking in at self-service kiosks or airline counters. To ensure a smooth experience and to provide time for security inspections and check-in, it is advisable to arrive early. To improve your journey, Terminal S offers a range of amenities like stores, eateries, and lounges. Check the digital displays located all across the airport for the most up-to-date information on gates and flights. Enjoy your journey with Frontier Airlines!