US airlines' daily cancellations top 2,000 for first time since shutdown cuts began

WASHINGTON —

U.S. airlines canceled more than 2,100 flights Sunday mostly because of the government shutdown and the Federal Aviation Administration's order to reduce air traffic.

The slowdown at 40 of the nation's busiest airports is now in its third day and beginning to cause more widespread disruptions. That includes more than 7,000 additional delays Sunday alone, according to FlightAware, a website that tracks air travel disruptions.

Video above: Flights canceled as FAA air traffic cuts take effect

More than 1,000 flights were canceled Friday, and more than 1,500 more on Saturday.

Earlier Sunday, U.S. Transportation Secretary Sean Duffy warned that U.S. air traffic could "slow to a trickle" if the shutdown if the federal government shutdown lingers into the busy Thanksgiving tra