The Brief

The FAA will cut air traffic by 10% in 40 major markets starting Friday.

Unpaid air traffic controllers calling out are causing nationwide delays.

Travelers should check flights and know their refund and rebooking rights.

The Federal Aviation Administration will cut air traffic by 10% in 40 major markets starting Friday to ease mounting safety concerns as unpaid air traffic controllers call out during the month-long government shutdown—the longest in U.S. history.

For travelers, that means checking flight status before heading to the airport and knowing your rights if a delay or cancellation upends your plans.

RELATED: FAA reducing air traffic by 10% amid ongoing government shutdown

Are flights being canceled?

FILE - Cancelled flights are seen on a screen at Orlando

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