An international airport in London’s Royal Docks, east of the City and Canary Wharf
National Air Traffic Services has identified a fault in its flight-processing system and has implemented a fix after pausing some departures on Tuesday. The outage has caused widespread cancellations and delays at Heathrow, Gatwick, Manchester, Birmingham and Scottish airports; recovery is continuing and airlines are warning of knock-on disruption today, 15 Sep 2026.
A technical fault in National Air Traffic Services' flight data processing system has disrupted flights across major UK airports on 8–9 September 2026, canceling and delaying thousands of services and affecting hundreds of thousands of passengers. NATS has said the fault has been fixed; its chief has apologised and the transport secretary has ordered an investigation.