Major air traffic disruption hits United Kingdom and Cyprus

On September 8, 2026, a significant technical failure in the flight plan processing system managed by NATS caused widespread disruption across the United Kingdom's air traffic control network. Major airports, including Heathrow, Gatwick, Manchester, Stansted, and Edinburgh, reported extensive flight delays and cancellations. By the following day, the situation remained volatile, with over 1,300 flights cancelled on the first day alone and at least 250 additional cancellations recorded by Wednesday morning. Heathrow Airport was the most severely impacted, accounting for hundreds of these disruptions.

The technical failure had significant international repercussions, particularly affecting travel between the UK and Cyprus. According to Hermes Airports, 30 flights involving Larnaca and Paphos airports were disrupted on Tuesday, impacting approximately 5,000 passengers. While some flights were rescheduled for the following day, authorities and airlines described the situation as dynamic, with ongoing uncertainty regarding full operational recovery.

This incident is the latest in a series of technical challenges for UK air traffic control. The UK aviation regulator previously mandated a review of contingency plans after a similar, though separate, malfunction occurred in 2024. Engineers are currently working to stabilize the systems, and passengers have been advised to consult their airlines for the latest flight status updates.