Flights were diverted and others grounded throughout the Midwest after a temporary outage at a Minnesota air traffic control facility caused issues, the FAA said.
The decision to reduce flight capacity could cut thousands of flights per day. In total, five California airports are impacted, including three in SoCal.
What travelers need to know about the Department of Transportation's airline ticket refund policy amid government shutdown flight chaos.
The FAA will reduce flight capacity by 10% at 40 major airports across the country, officials said. ABC News has obtained a list of U.S. airports that will be impacted.
While the FAA continues to limit flights, the number of takeoffs and landings is going up by four per hour to 72, still well below the more than 80 the airport saw before the current caps were put in place.
Neither of the other major US airlines that historically offered flights to Israel, Delta and American Airlines, have resumed service yet.