Heathrow Airport has issued an urgent travel advisory following significant flooding in the central terminal area, which has effectively severed road access to Terminals 2 and 3. The airport authority confirmed the disruption early Saturday, August 15, 2026, and is currently working to mitigate the impact on operations.
Airport officials have advised all passengers scheduled to fly from these terminals to avoid traveling by car. Instead, travelers are strongly encouraged to utilize rail and London Underground services, which remain the only viable transport links to the affected areas at this time. The airport issued a formal apology for the inconvenience and stated that ground teams are working to resolve the flooding as quickly as possible.
The disruption occurs during the peak school holiday period, a time when passenger volumes at the UK’s busiest airport are at their highest. Heathrow recently recorded its busiest day of the year on July 19, when 267,000 passengers passed through the facility. While the airport has not yet specified when road access will be restored, it has signaled that the situation is being actively managed to minimize further delays to flight schedules.
This incident follows previous infrastructure challenges at the site, including a water leak that recently forced the closure of a tunnel and impacted railway services. Passengers are advised to monitor the official Heathrow website and social media channels for real-time updates regarding terminal access and potential flight schedule changes.