Heathrow and Gatwick delays: Regulator warns on payouts

Passengers flying through Heathrow and Gatwick are facing widespread disruption after a major air traffic control systems failure, with the UK aviation regulator warning that most travellers caught up in the chaos are unlikely to receive financial compensation.

System outage triggers wave of cancellations and delays

Heathrow and Gatwick, the UK’s two busiest airports, have been hit by rolling delays and cancellations after a serious technical problem affected the air traffic control systems that manage large parts of UK airspace. Published coverage indicates that the disruption began after an error in a flight-processing system operated by NATS, the company responsible for air traffic management at key British airports, triggered severe restrictions on flight movements.

Reports from flight-tracking services show that hundreds of flights were delayed or cancelled at London airports, leaving aircraft and crews out of position and causing knock-on disruption across the network. At Heathrow, Europe’s busiest hub, the airport’s own passenger information channels advised travellers to check their flight status before leaving home and warned that disruption was likely to continue as airlines attempted to recover schedules.

At Gatwick, south of London, departures and arrivals boards showed long lists of delayed and cancelled services as airlines re-routed aircraft and adjusted timetables. Images and accounts in UK media describe crowded terminals, long queues at airline service desks and passengers camped out in departure halls while waiting for rebooked flights.

The latest disruption follows a series of air traffic control and technical incidents that have affected UK airspace in recent years. Previous outages have taken days to unwind fully, and early indications suggest a similar pattern this time as airlines work through backlogs, rotate aircraft and reposition crew.

Why passengers are “unlikely” to get compensation

Despite the scale of the disruption, most affected passengers are not expected to receive the fixed-sum compensation many associate with long delays and cancellations. According to public guidance from the UK Civil Aviation Authority (CAA), airlines are liable to pay compensation only when disruption is within their control and not caused by what is classified as “extraordinary circumstances”.

In a statement issued in response to the latest air traffic control failure, the CAA said that the incident is likely to fall into that “extraordinary” category, because it stems from an external systems problem rather than airline operations. As a result, the regulator has indicated that passengers are “unlikely to be entitled to compensation” for delays and cancellations that are directly linked to the outage.

UK passenger rights rules, carried over from EU Regulation 261, explicitly exclude airlines from paying fixed-sum compensation if they can show that a delay or cancellation was caused by extraordinary circumstances that could not have been avoided even if all reasonable measures had been taken. Air traffic control failures and wider airspace restrictions are frequently cited as examples of such circumstances in official guidance.

Consumer coverage notes that this legal position is similar to the CAA’s stance after a major NATS outage in August 2023, when the regulator concluded that the root cause lay in air traffic control systems rather than airline decision-making. In that case too, passengers were largely denied compensation even after missing holidays, events and onward connections.

Rights to care and refunds still apply

Although most travellers will not qualify for cash compensation, they still retain important rights to care and to refunds or re-routing. Official CAA guidance explains that airlines must provide assistance when flights are significantly delayed or cancelled, regardless of the underlying cause, so long as the journey falls within the scope of UK passenger rights legislation.

That assistance typically includes meals and refreshments proportionate to the waiting time, access to communication such as phone calls or email, and hotel accommodation and ground transfers when an overnight stay becomes necessary. The CAA advises that these obligations apply “no matter how long the delay lasts or what has caused it”, though levels of support may vary between airlines and situations.

Passengers whose flights are cancelled altogether have the choice between a refund of the unused ticket and re-routing at the earliest opportunity or at a later convenient date, subject to seat availability. If a return leg is cancelled, travellers can usually claim a refund for the whole trip if they decide not to travel, including for any already-completed segments that no longer serve their original purpose.

Published advice also notes that where airlines cannot immediately provide accommodation or meals during major disruption, passengers may be able to arrange reasonable alternatives themselves and claim costs back, subject to evidence such as receipts. However, extras such as luxury hotels, high-end meals or alcoholic drinks are unlikely to be reimbursed, in line with CAA guidance.

Regulator orders review into airspace resilience

The air traffic control failure has prompted renewed scrutiny of the resilience of the systems that manage UK airspace and the contingency plans in place when they go wrong. The UK government has asked the Civil Aviation Authority to conduct an independent review of the latest outage, examining what happened, how quickly services were restored and whether industry planning is sufficient for such events.

According to the CAA’s published statement, the review will also look at how NATS and other aviation partners communicated with airlines and passengers during the crisis, and whether existing protocols need to be strengthened. A separate CAA report into the August 2023 NATS outage highlighted passengers’ frustration with limited information about delays, limited clarity on their options and confusion over entitlement to support and compensation.

Industry commentators point out that congestion in UK and European airspace, combined with tight airline schedules and staff shortages, can turn a single systems failure into widespread disruption within hours. When air traffic control restricts flight movements for safety reasons, airports such as Heathrow and Gatwick often have to cap arrivals and departures, leading to a chain reaction of missed connections, aircraft out of place and crew duty-time limits being reached.

The regulator’s latest review is expected to feed into longer-term work on improving the robustness of air traffic infrastructure, increasing capacity where possible and refining how passengers are looked after when large-scale disruption occurs. However, consumer advocates warn that unless the legal framework for compensation changes, travellers will continue to bear much of the financial cost of such incidents.

What travellers through Heathrow and Gatwick should do now

With delays and cancellations still working through the system, publicly available information from airports and airlines stresses the importance of checking flight status before leaving for Heathrow or Gatwick. Many carriers are allowing affected passengers to rebook without change fees or to switch to alternative dates, though fare differences may still apply in some cases.

Passenger-rights specialists recommend that travellers keep all boarding passes, booking confirmations and receipts for any reasonable expenses incurred as a result of disruption, in case they need to make a claim later. Claims should first be directed to the airline, referencing the CAA’s official pages on delays and cancellations so that passengers can clearly distinguish between rights to care, rights to refunds or re-routing, and the more limited scope for compensation.

Travel insurance may provide an additional safety net where airline obligations end, particularly for costs such as lost accommodation, missed tours or non-refundable onward travel. Policy terms vary widely, so passengers are advised by consumer outlets to review their cover and, where necessary, obtain written confirmation from airlines of the cause and length of delay to support any claim.

For those with imminent flights, airport operators and aviation bodies emphasise that safety remains the overriding priority when technical systems fail, even at the cost of severe short-term disruption. While the latest crisis at Heathrow and Gatwick is expected to ease in the coming days, it has again exposed how vulnerable busy hubs are to failures in the complex digital infrastructure underpinning modern air travel.

Independent: Heathrow and Gatwick delays live coverage

Sky News: UK airports disruption and compensation warning

UK Civil Aviation Authority: compensation statement on NATS disruption

UK Civil Aviation Authority: flight delays and cancellations guidance