Heathrow Airport Chaos: Power Outage Triggers Flight Delays, Spurs Investigation

London's Heathrow Airport, Europe’s busiest air hub, resumed full operations on Saturday after a massive power outage disrupted travel for nearly a day. The outage, caused by a fire at a nearby electrical substation, grounded hundreds of flights and impacted up to 291,000 passengers, prompting a government investigation into the failure of critical infrastructure.

British Airways, whose main hub is Heathrow, operated about 90% of its flights on Saturday and expects a near-full schedule Sunday. Virgin Atlantic and Air India also resumed normal operations with minimal cancellations. Heathrow deployed extra staff to manage the additional 10,000 affected passengers and assured that no major cancellations were expected going forward.

Despite progress, many travelers continue to experience setbacks. Amber Roden, a U.S. bride preparing for her wedding in three days, described the situation as “absolutely insane,” with several family members forced to turn back mid-journey or arriving last-minute.

The UK’s energy ministry has tasked the National Energy System Operator with an urgent review of the outage, while Heathrow appointed former transport minister Ruth Kelly to lead an independent review of its crisis-response systems.

Aviation experts compared the disruption to the 2010 Icelandic volcanic ash cloud crisis. Critics, including IATA head Willie Walsh, condemned Heathrow’s lack of adequate backup systems, calling it a “clear planning failure.”

Passengers remain wary, and the travel industry braces for potential financial losses and disputes over compensation. The London Fire Brigade confirmed the fire was not suspicious, but full investigations are ongoing.

With Heathrow’s reputation under scrutiny, the incident highlights the vulnerability of major airports and the urgent need for resilient infrastructure in global travel.