If you’re traveling with Frontier Airlines from Atlanta Hartsfield-Jackson International Airport (ATL), you’ll be operating out of Concourse T in Terminal South. Upon arriving at Terminal South, head straight to Concourse T where Frontier Airlines is located. Start your journey by checking in at the Frontier Airlines counters or utilize the self-service kiosks available to speed up the process. Since Frontier Airlines is a low-cost carrier, you should anticipate additional fees for checked baggage, carry-ons, and seat selection. To avoid unexpected costs, it’s wise to review and manage these additional fees online before arriving at the airport. After checking in, proceed to the security checkpoint. Concourse T has modern security facilities, but it can become crowded, so keep your boarding pass and ID easily accessible to streamline the process. Once through security, follow the signage to Frontier Airlines Terminal In Atlanta gates within Concourse T. Terminal South offers a variety of amenities including dining options, retail shops, and charging stations to make your wait more comfortable. For a smooth travel experience, check in online beforehand, stay updated on flight status through departure boards, and arrive early to account for check-in and security procedures.