Thunderstorms disrupt Gatwick and Heathrow as hundreds of flights delayed or cancelled The Guardian
Thunderstorms delay hundreds of Heathrow and Gatwick flights BBC
Heatwave triggers airport chaos The Telegraph
Storms and heatwaves cause major travel disruptions for Britons this weekend. Spain flights at risk Majorca Daily Bulletin
London Flight Disruptions Hit Travellers Flying to Calgary, Amsterdam, Paris, Malaga and Several other Destinations as Virgin Atlantic, British Airways, Delta Air Lines, Air France, BA CityFlyer and others Face 421 Flight Delays and 23 Cancellations, New Upd Travel And Tour World