Frantic Thanksgiving travelers should give each other some grace.

As is tradition, millions of Americans will cross many a state line to be with loved ones over Thanksgiving weekend — which means the same hoards of holidaymakers will return from whence they came on what has been called the busiest travel day of the year.

According to the Transportation Security Administration (TSA), more than 3 million travelers will pass through security checkpoints on Thanksgiving Sunday, Nov. 30 — making it one of the top 10 busiest days in TSA history, per Travel Market Report .

Nov. 30 is set to be the busiest travel day of the year. Mario Tama/Getty Images

Data from Cirium , an aviation analytics company, backs up TSA stats, forecasting Nov. 30 to see over 3.3 million seats scheduled to fly

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