A 4% reduction in domestic flights went into effect at 6 a.m. ET following an order last night from the Federal Aviation Administration. Follow for live news updates.

Cancelations and delays are mounting at major U.S. airports Friday morning, a day after the Federal Aviation Administration ordered airlines to cut thousands of flights due to the government shutdown.

United, American, Delta, and Southwest are among the airlines adjusting schedules and warning passengers to expect potential disruptions at SFO and across Bay Area airports.

Several airports that send flights to Palm Beach International Airport could see flight cancellations amid the federal government shutdown.

Flight cancellations, long lines, and anxious passengers are quickly becoming the reality at airports nationwide. Experts urge travelers to stay alert, act quickly, and know their rights as airlines announce significant schedule reductions.

Airlines have started to cancel hundreds of flights as they comply with the Federal Aviation Administration's (FAA) order to reduce air traffic.

Travelers told News 5 this was the highest volume of traffic in the airport that they have seen since pre-pandemic.

FAA cuts tied to shutdown cancel 815+ U.S. flights; major airports stay calm, airlines offer rebooking. Follow live.

Follow live updates as flight reductions begin today at 40 high-traffic airports in what officials have described as a "proactive" effort to alleviate pressure points.

As Americans prepare for Thanksgiving holiday travel, the government shutdown is likely to result in more airport delays due to a shortage of air traffic controllers.