Frontier Airlines Atlanta Terminal (https://airlineairportsterminal.com/frontier-airlines/frontier-airlines-atl-terminal-hartsfield-jackson-atlanta-international-airport/) Up to 24 hours prior to their departure, travelers on Frontier Airlines can check in online. Self-service kiosks and manned check-in counters are provided in the terminal for anyone who would rather check in at the airport. Prior to traveling to the airport, it is imperative to review the baggage policies of Frontier Airlines, which include fees for both checked and carry-on baggage.
The security checkpoint is reached by travelers after they have checked in. There are several security lanes at the Domestic Terminal to aid in controlling traveler traffic. For passengers who qualify, faster screening through TSA PreCheck is possible. The gates are clearly marked and simple to find, and boarding usually starts 30 minutes prior to departure.