Airports across the U.S. are struggling under a massive wave of flight delays and cancellations as the federal government shutdown continues, straining an air traffic control system where thousands are working without pay.

The crisis is clearly tracked on the FlightAware Misery Map , which pinpoints the worst-affected travel hubs.

Data from the map reveals the dramatic scale of disruption, with over 21,000 delays recorded throughout the day on Sunday, and more than 7,000 additional delays already logged early Monday morning.

The ongoing political stalemate over federal funding legislation means that approximately 13,000 air traffic controllers are going without pay, according to the Federal Aviation Administration (FAA) . This has led to growing frustration and uncertainty in depart

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