ATL security wait times at Hartsfield-Jackson Atlanta International Airport can vary based on factors such as the time of day, day of the week, and travel season. During peak travel times, like holidays or summer months, ATL security wait times may be longer, sometimes exceeding 30 minutes. However, during off-peak hours, wait times are generally shorter, often ranging from 10 to 20 minutes. For up-to-date information on ATL security wait times, travelers can use the airport’s website or mobile apps that track real-time data. Additionally, TSA PreCheck can help eligible passengers bypass longer lines, reducing ATL security wait times significantly. It's always recommended to arrive early, at least two hours before a domestic flight.