WASHINGTON — U.S. airlines began at some of the country’s busiest airports on Friday, including those in New York, Los Angeles, Dallas and Chicago, due to the government shutdown.

The airports spanned more than two dozen states, but the impact is likely to ripple far beyond those locations.

As of 3:15 p.m. Eastern, 941 U.S. flights had been canceled on Friday, .

Airlines scrambled Thursday to figure out where to cut, and travelers with plans for the weekend and beyond were waiting nervously to see if their flights would take off as scheduled.

Airlines made planned cancellations into the weekend, directing passengers to . Delta Air Lines said it would scratch roughly 170 flights on Friday, and American Airlines planned to cut 220 a day through Monday.

The FAA said the reductions would

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