Thunderstorms have delayed flights from Heathrow and Gatwick for up to 11 hours.
The UK’s heatwave has turned into stormy weather delaying nearly 800 flights to and from the airports.
Dozens more have been cancelled, and air traffic control said issues were expected to continue for the rest of the day.
According to FlightAware, 377 flights arriving at or departing from Heathrow have been delayed while another 399 have been impacted in and out of Gatwick.
Arrival boards show a British Airways flight from Santiago, Chile, arriving at 9pm when it was meant to arrive at 10am.
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The delays come as storms to the south of the UK are set to worsen, with flights needing to avoid the ‘road area of hot, unstable air’, Eurocontrol said.
A home was damaged in Crawley after a lightning strike, while the roof of a property in Streatham, South London, was destroyed in a blaze sparked by an overnight bolt.
The amber weather warning for extreme heat has been delayed again, with 33C temperatures set to continue to linger over London, the South East and East Anglia until 9pm tomorrow.
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