Thanksgiving remains the single busiest travel period in the United States, with AAA projecting a record 81.8 million Americans traveling at least 50 miles from home in 2025. This is primarily because the "holiday window" is so condensed—everyone is trying to reach their destination by Thursday and return by Sunday, creating massive spikes in road and air traffic. In contrast, Christmas and New Year often see a higher total volume of air passengers globally (estimated at over 270 million trips in late 2025), but the travel is spread out over two weeks, which can make the airports feel slightly less chaotic on any single day compared to the Wednesday before Thanksgiving. While Christmas is the peak for international and "long-break" leisure travel, Thanksgiving holds the crown for the highest concentration of domestic U.S. travel, characterized by the traditional "Wednesday scramble" that remains the busiest day for American airports every year.