The nation's three largest airlines have canceled hundreds of Friday flights following the Federal Aviation Administration's announcement that it is limiting air traffic at dozens of the nation's largest airports.

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

U.S. airlines began canceling hundreds of flights 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.

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,

The FAA is expected to release an official list of dozens of airports that will be impacted by the directive to reduce flights for safety reasons. Still, on Thursday morning, news outlets began reporting which airports would be affected,

Airport in Maryland is among 40 U.S. airports that could be impacted by flight cancellations, according to a proposed list obtained by CBS News.