One of the busiest airports in the world, Atlanta International Airport Security Wait Times frequently handles over 200,000 people every day. Because of this, security wait times may vary based on the time of day, day of the week, and season of travel. It is recommended that customers arrive at least two hours before departure for domestic flights and allow three hours for foreign flights.

Security lines can lengthen considerably at periods of high travel demand, such as early mornings, late afternoons, and holidays, and wait times might occasionally surpass thirty minutes. Passengers are advised to check the airport's website or mobile app, which provides up-to-date information for each terminal, for the current security wait times in order to reduce delays.

Because it provides quicker screening and drastically cuts down on wait times, TSA PreCheck is a well-liked choice for frequent passengers. Bypassing the need to take off shoes, belts, or laptops, travelers who are enrolled in TSA PreCheck can expedite the process by using designated security lanes.

The airport also provides a program called CLEAR, which speeds up security even more by using biometric screening. Arriving early and making use of these services can significantly enhance the travel experience at ATL for individuals who wish to avoid lengthy wait times.