Airline passengers were already looking at higher fares and packed planes this holiday season. But the holiday headaches might get much worse as the government shutdown causes flight reductions at major airports.

The unpaid air traffic controller situation is so bad, Uncle Sam is ordering airlines to reduce flights regardless of high holiday demand. There is actually a funded fix for this but those who could fix it are staring each other down.

Ryanair has extended the suspension of all its flights to and from Ukraine until the end of March at the earliest in the wake of Russia's invasion, Europe's largest airline by passenger numbers said in a statement on Friday.

CNN is tracking delays and cancellations for flights traveling to, from or within the US using data from FlightAware. Data updates every 15 minutes.

An airline industry analyst on Friday suggested the effects of flight capacity reductions across the country are generally small, despite an uptick of delays and cancellations as the government shutdown drags on.

With Congress at an impasse, a federal government continued to take its toll on the nation’s travelers on Saturday. Southern California was no exception.

More than 1,400 flights scheduled for Sunday were canceled, marking the third day of widespread travel disruptions as the government shutdown takes its toll.

U.S. airlines canceled more than 2,100 flights on Sunday as Transportation Secretary Sean Duffy warned that air traffic across the nation could "slow to a trickle" if the federal government shutdown lingers into the busy Thanksgiving travel holiday season.