Frontier Airlines primarily uses the South Terminal at Hartsfield-Jackson Atlanta International Airport (ATL). Travelers flying with Frontier should go to this terminal for check-in, security, and boarding. The South Terminal offers various amenities, including restaurants, shops, and comfortable seating, making the pre-flight experience convenient and enjoyable. It’s advisable to arrive at least two hours before departure to ensure ample time for all procedures. https://airportsterminalguides.....com/frontier-airlin