If you found yourself stranded at an airport Sunday, blame demand.
Air travel tracking website Flight Aware reports American Airlines canceled 6% of its flights due to labor issues.
That comes as the Transportation Security Administration said it screened 2.1 million people at airports across the country. That’s the largest single-day number since March 7 of last year.
Memorial Day also set a pandemic-era record for air travel this year as almost nine million people passed through security checkpoints.
But that volume came over a long weekend and no single day exceeded two million passengers.