Heathrow has resumed full operations as both passenger and cargo activities bounce back.

Heathrow Airport has fully resumed operations after a temporary closure due to a fire at a nearby electrical substation that caused widespread flight cancellations and delays on March 21, 2025. Flights began to gradually restart in the evening, with British Airways among the first to resume service. The disruption affected over 200,000 passengers and created significant challenges for cargo operations, prompting swift responses from ground handling teams. Concerns were raised about Heathrow's reliance on a single power source, with calls for better infrastructure planning and fair compensation for affected travelers.