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UK air traffic control glitch grounds more than 1,000 flights, extending Heathrow and Gatwick disruption into a second day

A technical issue at a key UK air traffic control node grounded more than 1,000 flights and forced hundreds of cancellations at Heathrow, Gatwick and other airports. Disruption continued into a second day, leaving tens of thousands of travelers facing abandoned or significantly delayed journeys.

Discovered 2026-09-09T00:15:08.747631-07:00 | 2026-09-09T00:15:08.747631-07:00

Briefing

What Hype is tracking

The outage grounded more than 1,000 flights and triggered hundreds of cancellations at Heathrow, Gatwick and other UK airports, demonstrating the network-wide exposure created by failures at a single air traffic control node.
Disruption continued into a second day, extending operational and passenger impacts beyond the initial technical failure and highlighting the importance of resilience and recovery planning in air traffic management systems.

Reported By

Bloomberg The Independent