Atlanta Security Wait Times can vary based on factors like time of day, day of the week, and whether you're flying during peak travel seasons. Typically, TSA screening at Hartsfield-Jackson Atlanta International Airport (ATL) is busiest during early mornings and evenings. It’s recommended to arrive at least two hours before Domestic flights and three hours for International flights. To expedite the process, consider enrolling in TSA PreCheck or CLEAR for quicker access through security checkpoints. Check real-time wait times online for the latest updates.