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28 days ago · Global

Flight chaos for hundreds of thousands was caused in ‘millisecond’ by software error

Flight chaos for hundreds of thousands was caused in ‘millisecond’ by software error

What's happening

SignalsMonitor is following this as a technology story. The Guardian UK, BBC Business, and Sky News UK are the outlets attached to this story. The reports are tied to Global. The first report grouped here was at 18 Sept 2026, 12:39 UTC. 8 material updates are listed in the timeline. The headline in use is “Flight chaos for hundreds of thousands was caused in ‘millisecond’ by software error”. This note is SignalsMonitor's own briefing, not the publisher's article.

What we know

Error first occurred at 10am but major incident was not declared until 12. 30pm, says report A software defect in part of the UK’s air traffic control system corrupted flight data “in the space of a millisecond”, leading to a six-hour outage and mass airline cancellations and delays across the…

The Guardian UKRead at The Guardian UK

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3 headlines

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