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

Philadelphia International Airport is one of 40 airports the FAA is ordering to reduce flights starting Friday. Airlines and travelers are bracing for cancellations and disruptions.

Major airlines including American, Delta, and United have responded to the FAA's decision to reduce flights by 10% at 40 airports starting Friday.

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.

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.

Airlines across the US have started canceling flights scheduled for the coming days, as the longest government shutdown in history disrupts air travel and leaves thousands of passengers scrambling to firm up plans.

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

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.