Thunderstorms Cause Major Chaos at London Gatwick

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Severe overnight thunderstorms across southeast England triggered widespread air traffic restrictions this weekend, causing hundreds of delays and cancellations at London Gatwick Airport and disrupting operations for major carriers including easyJet, Ryanair, British Airways and Wizz Air.

Weather Turmoil Turns Peak Travel Weekend Into Gridlock

The disruption began in the early hours of Saturday 27 June 2026, when intense storm cells and frequent lightning led to restrictions on the number of arrivals and departures permitted in UK and European airspace. Publicly available information from Eurocontrol and UK air traffic control updates shows that Heathrow and Gatwick were among the worst affected airports, with flow rates cut and holding patterns imposed on inbound aircraft.

By Saturday afternoon, multiple news outlets were reporting that more than 600 flights across Heathrow and Gatwick had been delayed, with further analysis from aviation tracking sites indicating that the total number of affected services, including long knock on delays, ran into the high hundreds. Some services were postponed for several hours while others were cancelled outright when crew and aircraft rotation became unworkable.

Weather forecasters had already warned of volatile conditions following several days of high temperatures over southern England. Thunderstorms built rapidly across the region, bringing torrential rain, lightning and gusty winds that forced air traffic managers to temporarily suspend or slow movements on key approach routes into London. These measures, while standard for safety, dramatically reduced airport capacity at the height of the weekend getaway period.

Gatwick, the UK’s second busiest airport and a major base for European low cost and leisure flights, was particularly vulnerable because of its high utilisation of runway slots during peak travel days. Once restrictions came into force, relatively small reductions in movements quickly cascaded into widespread disruption for short haul networks that rely on tight turnaround times.

easyJet Bears the Brunt at Its Largest Base

As Gatwick’s biggest carrier by flights, easyJet experienced some of the most visible disruption. Live departure boards and airline schedules on Saturday showed waves of delays across short haul routes to Mediterranean and European destinations, with a rising number of cancellations announced as the day progressed. Pre emptive cancellations were used on certain rotations to stabilise the remaining schedule.

Published reports indicate that easyJet had already been operating a dense summer timetable focused on popular holiday destinations, leaving limited room to absorb extended slot restrictions. When aircraft missed their departure times in the morning due to air traffic control constraints, subsequent sectors were increasingly pushed back, creating long queues for stands and departure gates.

Passenger accounts shared on social media and in domestic news coverage described travellers sitting on board grounded aircraft at Gatwick for several hours while crews awaited revised departure slots or weather clearance. In some cases, these extended delays ultimately turned into cancellations when crew duty limits were reached or onward scheduling became impossible.

Industry observers note that easyJet’s reliance on quick turnarounds at Gatwick means weather related restrictions can have a disproportionate effect compared with hubs that operate with more spare capacity. Although operations gradually improved into Sunday, residual delays were still being reported as aircraft and crews were repositioned back into their planned rotations.

Ryanair, British Airways and Wizz Air Also Forced to Trim Schedules

Low cost rival Ryanair, which has expanded its presence at Gatwick alongside its larger London Stansted operation, also faced disruption across weekend services. Tracking data and schedule summaries showed delayed departures to several European destinations and selective cancellations on short haul routes as the airline worked within reduced airspace capacity.

British Airways, which uses Gatwick for a mix of leisure routes complementing its Heathrow hub, experienced significant knock on effects. Long haul services and high density leisure flights were subject to extended delays when aircraft arriving from overseas were held or diverted due to the thunderstorms and associated air traffic control restrictions. Some inbound flights were reported to have diverted to alternative UK airports before repositioning once conditions improved.

Wizz Air, which operates an expanding network of point to point routes from Gatwick to Central and Eastern Europe as well as Mediterranean destinations, was similarly affected. Publicly available flight data showed late departures and a number of cancellations, particularly on aircraft scheduled to operate multiple rotations in a single day. Any delay on the first sector often translated into missed slots and further disruption for subsequent flights.

Across all four airlines, capacity constraints combined with high seasonal demand made it difficult to reaccommodate passengers quickly. Seats on later services were already heavily booked for the first weekend of the school holiday period in parts of Europe, limiting options for same day rebooking and increasing reliance on overnight hotel stays or rerouting via other airports.

Passengers Face Long Queues, Limited Information and Overnight Disruption

Scenes at Gatwick on Saturday and Sunday included long check in and bag drop queues, crowded departure halls and lengthy waits at customer service desks as travellers sought rebooking options. Social media posts and first person accounts referenced families sleeping on terminal floors, extensive queues for food outlets and uncertainty over revised departure times.

Reports from UK and international media highlighted cases of passengers who had already boarded only to remain on the tarmac for three hours or more before their flights were eventually cancelled. In some instances, travellers described limited updates while waiting on board and difficulties rebooking once they returned to the terminal alongside hundreds of other disrupted customers.

Aviation consumer advocates pointed to the complexity of compensation and care rules when disruption is caused primarily by weather rather than airline operational issues. While carriers are generally obliged to provide meals, refreshments and hotel accommodation when passengers are stranded overnight, outright financial compensation for delays or cancellations may not apply when extraordinary circumstances such as thunderstorms are the root cause.

For many travellers, the immediate priority was simply finding an alternative route home or to their holiday destination. With capacity across UK and European networks already tight, some passengers reported being offered replacement flights several days later or having to accept rerouting through different airports in order to continue their journeys.

More Storms Possible as Airlines Work to Restore Schedules

According to the Met Office outlook for London and the South East, the storm system that initially struck on Saturday followed a period of intense heat and humidity, increasing the likelihood of further showers and thunderstorms in the short term. While the most severe cells had moved away from London by Sunday morning, forecasters maintained the possibility of additional heavy downpours and localised storms, keeping airlines and airports on alert.

Public information from the UK’s air traffic control service indicated that restrictions were being gradually eased as conditions improved, but warned that run on effects would continue while aircraft and crews were returned to their planned positions. Airlines were advising customers to check the latest status of their flights before travelling to the airport and to allow additional time for check in and security processes in case of crowding.

At Gatwick itself, live flight boards on Sunday still showed clusters of delayed departures across multiple airlines, along with selected cancellations as operators continued to adjust schedules. Observers noted that the combination of a busy summer weekend, a single main runway and tightly packed timetables meant that any further weather disruption could again have an outsized impact on travellers.

With the peak holiday season just beginning, the episode is likely to prompt renewed scrutiny of how well Europe’s congested airspace and major airports can cope with increasingly volatile summer weather. For passengers moving through Gatwick in the coming days, the advice from travel experts is to stay informed, monitor airline communications closely and prepare for the possibility that journeys may still take longer than planned.