The FAA is cutting 10% of air traffic at 40 of the nation's busiest airports, canceling hundreds of flights and creating uncertainty for many more passengers. Here's what to do if you're one of them.

A combination of staffing shortages linked to the ongoing federal government shutdown and a Federal Aviation Administration (FAA) order to limit operations at major U.S. airports has led to widespread delays and cancellations over the past 24 to 48 hours.

The number of flights canceled at CVG has more than doubled on Sunday amid flight reductions at airports nationwide due to the government shutdown.

Follow our live coverage from Republic reporters on the effect of the federal government shutdown on air travel and Phoenix Sky Harbor flights.

Major airlines say that most passengers whose flights are canceled, and many who choose not to fly, will be eligible for refunds and no-fee rebookings.

Travelers can expect to see fewer flights to many major U.S. cities starting Friday morning. That's when the Federal Aviation Administration says it will reduce traffic across 40 airports to ease the load on the nation’s air traffic controllers.

More than 1,150 flights were canceled on Nov. 8 as an emergency order to cut thousands of flights in response to the shutdown kicks in.

FAA’s flight reductions at major airports will strain capacity for time-sensitive shipments like pharmaceuticals, electronics and perishables.

The 40 airports impacted by the cuts span more than two dozen states. The Federal Aviation Administration said the reductions would start at 4% and ramp up to 10% by Nov. 14.