Major U.S. airlines and the Transportation Security Administration (TSA) said Monday they expect record air travel over the Thanksgiving holiday air travel period.

Airlines for America, an industry group representing American Airlines United Airlines, Delta Air Lines and others, forecasts 29.9 million passengers between Nov. 17-27, an all-time high and up over the 27.5 million in the same period last year.

TSA said in the 12-day period ending Nov. 28 it forecasts screening 30 million U.S. air passengers and expects to set the busiest ever one-day screening during the holiday period.