Five flights to scheduled to land in Los Angeles have landed instead at Sacramento International Airport instead this afternoon.
LAX tweeted the "Southern California air system" had computer problems.
Laurie Slothower with Sacramento International says three Southwest Airline flights bound for L.A. were turned back and flights from other cities are landing here too.
"We have two flights that have been diverted here. One was an American Airlines flight from Eugene on route to Los Angeles. Another was an Alaska Airlines flight from Portland to Los Angeles. They've both been diverted here."
People traveling out of Los Angeles International Airport tweeted they were being prevented from taking off at about 2:30 this afternoon. LAX has since tweeted takeoffs are now allowed.
Flights into Burbank and Ontario airports have also been affected. Sacramento, San Francisco and Phoenix airports have tweeted flights are again departing from their airports for Los Angeles.
The FAA released this statement:
"The FAA's Los Angeles Center air traffic control facility experienced technical issues and stopped accepting additional flights into the airspace managed by the facility for about an hour. Some flights were diverted and the agency issued a nationwide groundstop for flights heading into the airspace managed by the center."