Travel rebound: 2 million people go through US airports

International travel and business trips are still deeply depressed, but domestic leisure travel is roughly back to pre-pandemic levels, airline officials say.TSA ANTICIPATES LABOR SHORTAGES AT MORE THAN 100 AIRPORTS, SEEKS VOLUNTEERSThe airlines are recalling employees from voluntary leave and planning to hire small numbers of pilots and other workers later this year.Hotel operators say they too have seen bookings improve as vaccination rates rise.Mike Gathright, a senior vice president at Hilton, said the company's hotels were 93% full over the Memorial Day weekend. He said the company is "very optimistic" about leisure travel over the summer and a pickup in business travel this fall."The vaccine distribution, the relaxed travel restrictions, consumer confidence — all of that is driving occupancy and improvement in our business," Gathright said.UNITED AIRLINES OFFERS FLIGHT ATTENDANTS EXTRA VACATION DAYS, PAY FOR PROOF OF VACCINATIONPrior to the pandemic, TSA screened on average 2 million to 2.5 million travelers per day. The lowest screening volume during the pandemic was on April 13, 2020, when just 87,534 individuals were screened at airport security checkpoints.By the middle of last month, TSA's average daily volume for screenings was approximately 65% of pre-pandemic levels.CLICK HERE TO READ MORE ON FOX BUSINESSAs the summer travel season approaches, TSA is advising passengers to arrive at the airport with sufficient time to accommodate increased screening time as traveler volumes are expected to approach and in some cases exceed pre-pandemic levels at certain airports.Quotes delayed at least 15 minutes.