The TSA predicts that 3 million people will pass through airport security checkpoints on Sunday; more than that could break the record of 3.01 million set on the Sunday after the July Fourth holiday. Tuesday and Wednesday are expected to be the next-busiest air travel days of Thanksgiving week.

The great Thanksgiving getaway starts today. Millions are expected to hit the road or take to the skies ahead of the holiday, but they could run into some travel headaches with two storms in the forecast this week,

As millions are preparing to travel to be with loved ones this week, the Transportation Security Administration (TSA) is gearing up for what could be the busiest Thanksgiving travel period on record.