Delays from radar blackout ‘could affect flights for days’ after 120 flights cancelled

A technical fault at the Nats air traffic control center caused major disruptions at Heathrow Airport, affecting over 577,000 passengers and leading to more than 120 flight cancellations on July 30, 2025. The incident, which lasted 20 minutes but had lasting consequences, has prompted criticism from airlines and calls for accountability from Nats’ leadership.

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