Hundreds of delays occurred on Saturday after the software used by several airlines failed, with affected airports boarding passengers using pen and paper.
2025-09-20 → 2025-09-21
Standing
lens: Evidence-weighted Structural
No belief has been computed for this claim under Structural yet.
What bears on it
Nothing supports or challenges this claim yet — untested, which is not the same as refuted.
Voices
No asserter is recorded for this claim.
Sources
No source is recorded on this claim directly. It entered the record through Heathrow cyber-attack: Airports warn of second day of disruption .
Origin: extracted from Heathrow cyber-attack: Airports warn of second day of disruption · 2026-09-08 22:42