In most years, the Sunday after Thanksgiving is the busiest travel day at U.S. airports, according to the Transportation Security Administration, which tracks the number of passengers screened daily. The two days after Christmas also see heavy travel.

For the 2025-2026 holiday season, the Sunday after Christmas (December 28, 2025) was recorded as the single busiest travel day, with the TSA screening a record-breaking 2.86 million passengers in the U.S. alone. In a typical year, the Sunday following Thanksgiving often holds this title, as millions of travelers attempt to return home simultaneously for the work week. Other peak periods include the Friday before Spring Break weekends and the Thursday or Friday preceding major summer holidays like July 4th. In 2026, air travel volumes have hit all-time highs, meaning even "regular" Fridays can feel exceptionally crowded. To stay ahead of the chaos, savvy travelers aim for "off-peak" days like Tuesdays or Wednesdays. A grounded peer tip: always check for local events, such as major sports championships or conventions, which can turn a normally quiet day at a specific hub into a logistical bottleneck, and allow at least three hours for security during these known record-breaking windows.