Flight delays and cancellations escalated over the weekend, with real-time flight tracking data confirming over 8,000 delays across the United States on Sunday, which was up from approximately 5,300 the previous day. Up-to-date flight information can be found in this real-time flight tracker.

The FAA is preparing for more possible ground stops and delays at several major airports amid air traffic controller shortages in the government shutdown.

SEATTLE — Alaska Airlines' website and app is experiencing significant technical issues less than a week after an IT outage caused hundreds of flights to be canceled. At 9:10 a.m. Wednesday, Alaska said, "Our website and app are down, it is being looked into we don't have any other information at this time I am so sorry for the inconvenience."

Flights to Orlando International Airport (MCO) were delayed for hours on Thursday night due to FAA staffing issues, according to the FAA's National Airspace System website.

Alaska Airlines warned more flight disruptions were possible Oct. 24 following an IT outage that led to hundreds of flight cancellations.

Weather is causing disruptions at airports like LaGuardia in Queens. Here's how to check if your flight is delayed.

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