This year's Thanksgiving holiday has set a record for the most passengers screened in a single day. According to the Transportation Security Administration, on the Sunday after Thanksgiving, 2,907,378 people were screened at U.S. airports -- the highest number of people to go through security on a single day in the agency’s history.
 
The last daily high, just under 2.9 million passengers, was in June. So far this year, prior to the holiday period, the TSA had already screened a record number of passengers. "In 2023, we have already seen seven of the top 10 busiest travel days in TSA's history," TSA administrator David Pekoske said. The other three busiest days were all in 2019, prior to the pandemic. 
 
The Thanksgiving holiday travel period began Friday, Nov. 17 and ended Tuesday, Nov. 28. During the 12-day period, TSA had projected 30 million passengers would go through US airport checkpoints. 

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Holiday travel was threatened by a storm system that moved across the country. Nearly 14 million people under various weather alerts on Sunday, and Chicago O'Hare International Airport saw snowfall that delayed more than 900 flights. However, only three flights were canceled at O'Hare on Sunday.