Heathrow Airport Closure Disrupts 1,350+ Flights, 290,000 Passengers Affected After Substation Fire

Brief by Shorts91 Newsdesk / 02:31pm on 21 Mar 2025,Friday International

Heathrow Airport remains closed after a massive fire at an electricity substation caused a significant power outage, disrupting over 1,350 flights. Aviation analytics firm Cirium estimates 290,000 passengers are affected today, with British Airways, Virgin Atlantic, and Lufthansa among the most impacted. The fire, now under control, led to widespread blackouts, including at the airport terminals. National Grid restored power to 62,000 homes, but 4,900 remain without electricity. Authorities have launched an investigation into the incident. Footage from the scene showed a darkened terminal, with one passenger remarking, "It's all dark here, mate."

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