• Federal officials will cut 10% of flights at 40 US airports starting Friday. • The reduction is due to air traffic control delays from the ongoing government shutdown. • Up to 1,800 flights, affecting 268,000 seats, could be impacted, says Cirium.

Holiday travel is starting to look incredibly dicey.

The shutdown so far has created massive air traffic control delays, leaving some airports so understaffed that they had to temporarily shut down. Starting on Friday, federal officials will reduce 10% of flights at 40 US airports to manage traffic.

Five airports — Atlanta, Charlotte, Boston, Seattle, and Philadelphia — confirmed to Business Insider that they are among those temporarily losing some service.

The FAA has not yet released an official list of all affected airports. The avia

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