California airports are expected to be hard hit by a dramatic reduction in flights as the Federal Aviation Administration says it plans to cut air traffic by 10% at 40 airports to maintain travel safety during the government shutdown.

Major U.S. airports are among those seeing reduced air traffic as a 10% cut in flights is phased in because of the government shutdown.

Government shutdown triggers hundreds of flight cancellations and delays at major California airports, including LAX and SFO.

Uncertainty looms as airlines prepare for nationwide flight reductions, including at Portland International Airport.

Flights departing for Los Angeles International Airport were halted briefly due to a staffing shortage at a Southern California air traffic facility, the Federal Aviation Administration said Sunday, when the agency also reported staffing-related delays in Chicago,

A small percentage of domestic flights were canceled on Friday, but Transportation Secretary Sean Duffy said the reductions, which were already going to increase next week, could sharply rise by the holidays if the shutdown continued.

The decision to reduce flight capacity could cut thousands of flights per day. In total, five California airports are impacted, including three in SoCal.

Some Santa Barbara Airport flights have been delayed or canceled due to airspace restrictions implemented by the Federal Aviation Administration as part

The Department of Transportation's order impacts current and planned flights by Aeromexico, Volaris and Viva Aerobus.

Airlines are canceling hundreds of flights to comply with the FAA's order. But there are still questions about the plan, which the agency says will keep the skies safe during the government shutdown.