On Tuesday afternoon, a technical fault within the UK’s air traffic control system triggered widespread travel disruption across the country. The National Air Traffic Services (NATS) reported the issue at approximately 1:46 p.m., leading to a near-total halt of departures from major hubs, including Heathrow, Gatwick, Stansted, and London City airports. Manchester Airport also reported significant impacts to its flight schedule.

While NATS has confirmed that they are working to address the fault, they have cautioned that the system will take time to return to normal operations. The disruption has left thousands of passengers stranded or facing lengthy delays as flight plans remain grounded. The exact nature of the technical failure has not been publicly detailed, though the scale of the impact suggests a systemic issue within the automated flight processing software. Airlines have advised passengers to check their flight status before traveling to airports, as the backlog of delayed aircraft is expected to cause a ripple effect throughout the evening and potentially into the following day.