London Heathrow saw the highest number of cancellations with 38 flights grounded. There were 24 departures and 14 arrivals cancelled at Britain’s busiest airport on Wednesday. Cirium confirmed to the Standard that the next worst hit airports were Gatwick and London City Airport.

The London airspace has been closed with all outbound flights grounded due to a major problem with air traffic control, plunging summer holiday travel plans into chaos

Thousands of passengers faced disruption at - or while trying to reach - UK airports when an air traffic control glitch led to more than 100 flights being delayed and cancelled.