It's a sign that United believes travel is back and is betting on growth again.
United has ordered 15 Concorde-like planes, with the expectation that they could be carrying passengers by 2029.
Many jetliners are being stored in the aviation equivalent of long-term parking in the southwestern desert of the U.S.
Those who travel for work make up around 10% of airline passengers, but they account for between half and three-quarters of revenue.
It’s a rebound from April, when the TSA was screening less than 100,000 people on some days.
The downturn in air travel has slashed airport revenue, with fees plummeting for landings, passenger use and parking.
There’s been some recovery in passenger numbers since the peak of the COVID-19 lockdowns, but not much.
COVID-19 could change airports and the experience onboard planes as much as 9/11 did, according to some experts.