While Atlanta International Airport Security Wait Times offers effective security screening services, wait times may differ depending on the season, traffic, and time of day. For frequent travelers, the airport offers TSA PreCheck and Clear for expedited screening, which helps cut down on wait times. Wait times typically last between ten and thirty minutes, with greater waits during peak hours. Travelers are advised to arrive two hours prior to domestic flights and three hours prior to international flights in order to guarantee a seamless experience.