Millions of people are expected to travel during the Thanksgiving break, with record numbers of passengers anticipated at airports and on highways. The busiest days for flying will be Tuesday and Wednesday, with the Sunday after Thanksgiving expected to draw the largest crowds. The Transportation Security Administration predicts 2.6 million passengers on Tuesday, 2.7 million on Wednesday, and 2.9 million on Sunday. AAA forecasts that 55.4 million Americans will travel at least 50 miles from home during the holiday period, with roads likely to be most congested on Wednesday. Prices for airfare and gasoline have decreased compared to last year.