Hartsfield-Jackson Atlanta International Airport (ATL), located in Atlanta, Georgia, is the world’s busiest and most connected airport, welcoming over 100 million passengers each year. As a global hub for Delta Air Lines and a key gateway for international and domestic travel, ATL provides direct flights to hundreds of destinations across North America, Europe, Asia, and beyond. The airport’s central location and efficient design make it a top choice for travelers passing through the southeastern United States.

Inside the terminals, visitors enjoy an array of dining, retail, and lounge options, along with accessible transportation links including MARTA rail service, taxis, shuttles, and rideshare pickup areas. ATL’s modern facilities, frequent upgrades, and streamlined check-in process ensure a smooth experience for all passengers. Whether you’re flying out of Atlanta or connecting through, Hartsfield-Jackson Airport combines convenience, speed, and southern hospitality to deliver one of the most reliable travel experiences in the world.

Atlanta Airport (ATL) features a thoughtfully designed terminal system that supports high passenger volume while maintaining fast, efficient movement through its facilities. The Domestic Terminal is home to Concourses T, A, B, C, D, and E, connected by the Plane Train and pedestrian tunnels for seamless transfers between gates. Concourse T serves domestic flights and sits on the domestic terminal side, while Concourse F, located within the International Terminal, handles most global arrivals and departures with modern customs and immigration checkpoints.

The Domestic Terminal has four TSA security checkpoints—Main, North, Lower North, and South. The South checkpoint is dedicated exclusively to TSA PreCheck travelers, providing an expedited screening experience. The International Terminal operates one main checkpoint designed for quick and organized processing of international passengers. Travelers can view real-time TSA wait times and updates on digital boards throughout ATL. To avoid delays, it’s best to arrive early—especially during morning and evening rush hours. With clear signage, efficient transport, and multiple checkpoints, Hartsfield-Jackson Atlanta Airport offers one of the fastest and most traveler-friendly security experiences in the United States.

To avoid long security lines at Hartsfield-Jackson Atlanta International Airport (ATL), plan to arrive early—especially during the morning rush from 5:00 a.m. to 9:00 a.m. and evening hours between 4:00 p.m. and 8:00 p.m. when flight departures peak. Midday and late evening tend to have shorter TSA wait times, particularly on Tuesdays and Wednesdays. Fridays and Sundays are the busiest travel days at ATL, with heavier checkpoint traffic. For the smoothest experience, check real-time TSA updates before arriving and use the TSA PreCheck or CLEAR lanes if available. Arriving at least two hours before domestic flights and three hours before international departures ensures a stress-free screening experience.

Where are the TSA PreCheck lanes at ATL Airport?

Does Atlanta Airport offer CLEAR?