NewsUK NewsHeathrow AirportPassengers are facing chaos at Heathrow and Gatwick today as hundreds of flights have been delayed or cancelled across both airports following thunderstorms12:26, 27 Jun 2026Hundreds of flights have been cancelled at both Heathrow and Gatwick as scorching heatwave conditions have led to major thunderstorms in southern parts of the UK.‌Flight tracking data shows more than 300 flights have been delayed arriving at or departing from both major travel hubs today.‌Heathrow and Gatwick are the only two UK airports currently facing "heavy" delays related to the thunderstorms, aviation agency Eurocontrol says. Departure boards show some flights have been delayed by six hours, with the delays impacting airlines including EasyJet and British Airways.‌The UK's air traffic control service has said delays are expected to continue for the rest of the day. Temporary air traffic control restrictions have been put in place in Gatwick, the airport told the BBC.Gatwick said: "Due to ongoing thunderstorms across the network last night, temporary air traffic restrictions were put in place, which resulted in some flights being delayed and cancelled this morning."‌EasyJet said it was doing its best to help passengers impacted by the delays and cancellations. A spokesperson said: "Due to thunderstorms in the south of the UK which is restricting the number of arrivals and departures today, like other airlines we are experiencing some disruption to our flying programme and have had to pre-emptively cancel some flights to and from Gatwick in advance."We are doing all possible to minimise the impact of the weather disruption for our customers and are notifying passengers in advance with their options to rebook or receive a refund as well as hotel accommodation and meals where required."Article continues belowLightning strikes overnight caused fires at several properties in southern England. Although the heatwave is easing, the Met Office has said further thunderstorms are still possible this weekend. Hail is also on the cards for some.The Met Office said: "The transition in the weather pattern has seen thunderstorms develop for some, and there’s an ongoing chance of these on Saturday, particularly in the southeast where if they develop they could be vigorous with frequent lightning and hail."Next week sees a mixed picture for the UK’s weather, with a combination of cloud and sunny spells, as well as influxes of rain from the west at times."Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌Gatwick AirportHeatwaveHeathrow AirportWeatherAir travelStorms