Over 1,000 flights and tens of thousands of passengers in the UK were affected by an air traffic control glitch. Flightradar24, a real-time global flight tracking platform, reported: 'All told, 1,300 flights were canceled to/from airports in the UK on Tuesday. 177 flights have been canceled so far on Wednesday, nearly all at London-Heathrow.'
A similar platform, AirNav Radar, reported: 'Flight cancellations and delays continue across major UK airports. Over 1,305 flights were canceled across the UK between yesterday (8 September) and today (9 September).' According to its data, the following airports had the following cancelled and delayed flights: London Heathrow (527 and 426), London Gatwick (258 and 402), London Stansted (122 and 295), London Luton (96 and 153) and London City (64 and 49).