One of the busiest airports in the world, Hartsfield-Jackson Atlanta International Airport (ATL) serves as the hub for Spirit Airlines ATL Terminal a well known low-cost airline. Whether you’re on a tight budget or this is your first time flying with Spirit Airlines, knowing the ins and outs of ATL Terminal and how Spirit operates will make your trip much more enjoyable. This is a thorough guide to help you get the most out of your Spirit Airlines experience at ATL Terminal, filled with advice and frequently asked questions.