GreatWesternRailway

Heathrow rail disruption: 20-minute delays until 2pm after signalling fault

A signalling fault on 12 August 2026 disrupted rail services between London Paddington, Heathrow and Reading, affecting the Elizabeth line, Great Western Railway and Heathrow Express. Delays of up to 20 minutes and cancellations are expected until 14:00, with tickets valid on alternative routes.