A line of intense thunderstorms sweeping across south-east England on Saturday caused the worst single-day flight disruption at London’s two main airports this year. Data from flight-tracking services show at least 367 departures and arrivals at Heathrow and 352 at Gatwick were delayed or cancelled as lightning forced air-traffic controllers to impose spacing restrictions. National Air Traffic Services (NATS) said the weather-related caps would remain in place “until convective activity subsides,” warning passengers to expect knock-on delays into Sunday.
Airlines reacted differently. British Airways held dozens of short-haul aircraft on the ground, prioritising long-haul rotations, while easyJet pre-emptively cancelled services at Gatwick and offered rebooking or hotel accommodation.
![Severe thunderstorms delay more than 900 flights at Heathrow and Gatwick, NATS warns of rolling disruption]()
If the disruption forces last-minute itinerary changes requiring updated transit visas or alternative routings through third countries, VisaHQ’s online platform can secure the necessary travel documents quickly. Its UK portal (https://www.visahq.com/united-kingdom/) offers expedited e-visas, passport renewals and real-time status tracking, providing a safety net for travellers and mobility managers scrambling to rebook flights.
Eurocontrol flagged the London FIR as Europe’s most congested airspace on 27–28 June, with ripple effects across key business routes to Amsterdam, Paris and Frankfurt. For corporate-travel managers, the incident underscores the fragility of summer schedules following the record June heatwave. Travellers with time-sensitive meetings should keep boarding passes, delay notifications and expense receipts. Under UK261 rules, compensation does not apply when disruption is caused by “extraordinary circumstances” such as severe weather, but airlines must still provide care and assistance. The Met Office expects scattered thunderstorms to redevelop in the South-East on Monday afternoon. Mobility teams moving assignees this week should consider rerouting via regional airports or advising overnight stays near hub airports to mitigate missed connections. Longer term, the episode revives calls for Heathrow to accelerate deployment of time-based separation and advanced weather-radar systems that can reduce capacity cuts during convective storms. Until such technology is widespread, UK businesses with high-value international travel should maintain contingency budgets for weather-related disruption.
Airlines reacted differently. British Airways held dozens of short-haul aircraft on the ground, prioritising long-haul rotations, while easyJet pre-emptively cancelled services at Gatwick and offered rebooking or hotel accommodation.
If the disruption forces last-minute itinerary changes requiring updated transit visas or alternative routings through third countries, VisaHQ’s online platform can secure the necessary travel documents quickly. Its UK portal (https://www.visahq.com/united-kingdom/) offers expedited e-visas, passport renewals and real-time status tracking, providing a safety net for travellers and mobility managers scrambling to rebook flights.
Eurocontrol flagged the London FIR as Europe’s most congested airspace on 27–28 June, with ripple effects across key business routes to Amsterdam, Paris and Frankfurt. For corporate-travel managers, the incident underscores the fragility of summer schedules following the record June heatwave. Travellers with time-sensitive meetings should keep boarding passes, delay notifications and expense receipts. Under UK261 rules, compensation does not apply when disruption is caused by “extraordinary circumstances” such as severe weather, but airlines must still provide care and assistance. The Met Office expects scattered thunderstorms to redevelop in the South-East on Monday afternoon. Mobility teams moving assignees this week should consider rerouting via regional airports or advising overnight stays near hub airports to mitigate missed connections. Longer term, the episode revives calls for Heathrow to accelerate deployment of time-based separation and advanced weather-radar systems that can reduce capacity cuts during convective storms. Until such technology is widespread, UK businesses with high-value international travel should maintain contingency budgets for weather-related disruption.
