Globally, Friday is consistently the busiest day of the week at airports as it captures both the end-of-week business travelers and the start of weekend leisure "city breakers." However, the absolute busiest single days of the year are tied to major holidays. In the United States, the Tuesday and Wednesday before Thanksgiving and the Sunday following the holiday frequently set all-time records for TSA screenings. In 2026, experts predict that Sunday, November 29, will be one of the highest-volume travel days in aviation history. For summer travel, the Fridays before July 4th and Labor Day are peak periods. If you are looking to avoid the "travel crush," Tuesdays and Wednesdays remain the quietest days to fly, as they fall in the "lull" between business cycles and weekend getaways. During these peak periods, it is recommended to arrive at the airport at least three hours early, as security wait times and terminal congestion can be triple the normal average.