Controllers already have missed one full paycheck and are scheduled to again receive nothing next week as the shutdown drags on.

Airlines and travelers reviewed their flight plans after U.S. transportation officials revealed it intends to cut air traffic at 40 airports by as much as 10% starting Friday in response to the government shutdown.

The Federal Aviation Administration's order to scale back flights nationwide because of the government shutdown starts Friday

Major airlines are complying with the Federal Aviation Administration's call to reduce flight schedules starting Friday, with some carriers already beginning to cancel flights. But in an interview with ABC News,

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

U.S. airlines began canceling flights nationwide Thursday due to the Federal Aviation Administration’s order to reduce traffic at the country’s busiest airports starting Friday because of the government shutdown.

One travel rep warns that 40% of flights could be delayed as the longest government shutdown in history snarls air travel. Airlines say they will be flexible when it comes to letting passengers change or cancel their plans.

Travelers across the U.S. are facing potential chaos as a government shutdown threatens to disrupt flights nationwide