Over 4,000 US flights were delayed Monday amid a prolonged government shutdown, with thousands of air traffic controllers and TSA staff working unpaid. The FAA warned of ongoing disruptions as airports face staff shortages and growing operational strain.
A major tech outage forced United Airlines to ground all mainline flights across the US, disrupting over 800 flights and delaying hundreds more. Passengers faced chaos at airports, with global routes including those to India and Europe heavily affected.
