Major airlines say they are planning to cancel hundreds of flights on Friday -- out of thousands of daily flights -- as the FAA is set to begin limiting flight capacity.

"This is about where’s the pressure and how do we alleviate the pressure," Transportation Secretary Sean Duffy said.

With air traffic controller shortages forcing a reduction at 40 major airports, airlines are making strategic decisions about which routes to cut.

The Federal Aviation Administration’s looming reductions, set to take effect in less than 24 hours, could have significant impacts on commercial flights in and out of San Francisco International Airport,

Per new guidance from the FAA, Alaska Airlines is preparing to cancel flights starting this Friday. This includes flights on Horizon and Hawaiian.

The FAA will reduce air traffic at 40 airports beginning Friday. Philadelphia International Airport is among those expecting flight cuts and delays. Talks between Democrats and Republicans to end the shutdown are intensifying,

Rep. Nicholas Begich warns Alaska's rural villages face supply shortages as government shutdown reduces flight capacity at major cargo hub airports.