On the morning of September 8, a flaw dormant within the code of the United Kingdom's air traffic control system awoke for a fraction of a second — and in that fraction, set in motion nine and a half hours of cascading failure. It is a story as old as complex systems themselves: the danger that hides not in what is broken, but in what appears to have healed. For the third time since summer 2023, hundreds of thousands of travellers paid the price for infrastructure that was trusted beyond its own resilience, and a nation is now asking whether the institutions charged with keeping the skies safe
Millisecond software glitch caused UK air traffic chaos, but questions remain on detection
Hundreds of thousands of passengers experienced travel disruption, with over 2,000 flights cancelled and delays extending into the following day.
Transportation