Share to Facebook Share to Twitter Share to Linkedin Hartsfield-Jackson Atlanta International Airport is a main hub of Delta Air Lines. (Photo by Andrew Harnik) F lying over Labor Day Weekend? Nearly 23 million passengers will depart from U.S.

airports for the holiday, up 2.4% from the same week last year. The vast majority of travelers—more than eight in 10—are headed to domestic destinations for the weekend, according to the deal-finding site Hopper .

About 3.6 million seats are scheduled to depart on Friday, the busiest date to leave for the weekend. According to FlightAware’s Misery Map , there were 48 flight cancellations and 251 delayed flights as of 8:15 a.

m. EDT on Friday morning. For the return trip, passengers will also see large crowds in airports on Monday, when a further 3.

5 million seats will bring travelers home. Flyers might want to pad in some extra patience if leaving from Atlanta’s Hartsfield-Jackson Airport, where over 1.1 million passengers are scheduled for departure for the holiday.

That makes it the busiest airport over Labor Day Weekend travel period, according to Hopper. The Windy City’s largest airport, O’Hare, will be the next busiest, with nearly 968,000 ticketed passengers slated for departure this weekend. Coming in third, Dallas/Fort Worth International has 955,000 people scheduled to depart over the holiday.

Hopper The next three busiest airports —Denver, Los Angeles’ LAX and New York’s JFK—will each see between 790,000 and.