WASHINGTON — U.S. airlines have started phasing in hundreds of flight cuts at some of the country’s busiest airports starting Friday, including those in New York, Los Angeles, Dallas and Chicago, due to the government shutdown.

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

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 also planned cancellations into the weekend, directing passengers to check apps to learn their flight status . Delta Air Lines said it would scratch roughly 170 flights on Friday, and American Airlines planned to cut 220 a day through Monday.

The

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