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.

American Airlines passengers can check their flight status online at aa.com or via the airline's mobile app. Flight status can be tracked by flight number or city pair. See real-time flight tracking on websites like FlightAware and Flightradar24.

As you’re almost certainly aware, the United States is currently in the midst of one of its longest government shutdowns ever. That doesn’t mean that every part of the federal government has shuttered – mail deliveries are still happening,

Colorado-based airline Key Lime Air is running flights of detainees for U.S. Immigration and Customs Enforcement, according to government data, flight tracking and analysis by Colorado Newsline. Personnel in reflective vests led 11 people in shackles off a plane registered to Key Lime at King County International Airport outside Seattle on Thursday,