Heathrow flight delays and cancellations: what you can claim

Repeated bouts of disruption at London Heathrow have left many travellers unsure when they can claim help or money back after delayed and cancelled flights. UK law now sets out detailed rules on when airlines must provide meals, hotels, refunds and compensation, but what you receive depends on the cause and length of your delay.

When UK261 protections apply at Heathrow

Passenger rights for most Heathrow disruption are governed by assimilated Regulation 261/2004, often referred to as UK261. Public guidance from the UK Civil Aviation Authority (CAA) explains that these rules apply to all flights departing from UK airports, and to flights arriving in the UK when operated by UK or EU airlines. That means many services using Heathrow, from short European hops to long haul connections, are covered.

The law focuses on three core protections: the right to care during long delays, a choice between a refund or re-routing when flights are cancelled or heavily disrupted, and fixed-sum financial compensation in certain circumstances. The CAA’s consumer pages group these under flight delays, cancellations and denied boarding, and stress that airlines retain primary responsibility for looking after passengers when schedules collapse.

UK261 rights apply regardless of the price paid for a ticket and cover package holiday flights as well as tickets bought directly from airlines. However, they do not apply to every disruption at Heathrow. Travellers must consider both where their flight starts or ends and which airline operates it to understand whether the UK rules, European rules or only general contract and insurance protections will apply.

Heathrow’s own passenger information points travellers back to these national rules, noting that in the event of severe delays or cancellations, passengers may be entitled to compensation or a refund, and that the amounts depend on the distance of the journey and length of delay as set out by the CAA.

Your right to care during long delays

For delays, the CAA’s guidance indicates that airlines must provide care once disruption crosses certain thresholds, as long as the flight is covered by UK261. Depending on flight distance, this can be after a delay of two, three or four hours. Care typically includes meals and refreshments, access to communication such as phone calls or emails, and overnight accommodation and transport to a hotel when needed.

These obligations apply even if the underlying cause is outside the airline’s control, such as severe weather at Heathrow or an air traffic control systems problem. Recent CAA guidance to industry, published in connection with major IT outages, emphasised that airlines are expected to keep passengers informed, look after them during long waits and advise them clearly of their rights, even where compensation may not be due.

If a delay stretches overnight or leads to a missed connection, the airline should arrange hotels and onward travel at no additional cost to the passenger. Official Heathrow FAQs echo this, advising travellers that their airline is responsible for providing assistance and that they should retain receipts for any reasonable expenses if they have to make their own arrangements before later claiming them back.

Care rights continue until passengers are either flown to their destination or opt instead for a refund. Choosing a refund brings the airline’s duty to provide ongoing meals and accommodation to an end, so travellers stranded near Heathrow often weigh up whether accepting re-routing, even on a later date, offers better practical support.

Refunds and re-routing when flights are cancelled

When a Heathrow flight is cancelled, UK261 gives passengers a choice that the CAA summarises as refund or re-route. Travellers can request a full refund of the unused ticket, including any return legs that no longer serve a purpose, or choose to be flown to their final destination at the earliest opportunity. There is also a right to re-routing on a later date convenient to the passenger, subject to seat availability.

Recent guidance issued by the CAA in response to major disruption incidents, including technical failures affecting Heathrow operations, underlines that airlines should proactively offer this choice and set out options clearly. Where flights divert away from Heathrow or cannot depart, public information notes that travellers remain entitled to onward transportation to their original destination airport, which may involve alternative flights or even ground transport.

If passengers choose re-routing at the earliest opportunity, airlines may use partner carriers or alternative routings where direct Heathrow flights are fully booked. The CAA’s consumer law guidance suggests that airlines are expected to act in a way that minimises overall disruption, so offering significantly later flights when seats are available on comparable services could be challenged.

Refunds must be provided within a reasonable period, usually in the original form of payment. Where an airline offers vouchers instead of cash, consumer bodies advise checking the terms carefully and insisting on a monetary refund if that is preferred, as vouchers may carry expiry dates or restrictions.

When financial compensation is, and is not, due

Fixed-sum compensation is one of the most discussed aspects of UK261, but it is not available for every Heathrow delay or cancellation. The CAA’s compensation guidance explains that passengers may be entitled to a payment when they arrive at their final destination three hours or more late, and the disruption was within the airline’s control.

The size of the payment depends mainly on flight distance and the length of delay, with broad bands set out in the legislation. However, the law also provides that airlines do not have to pay compensation if the disruption was caused by what it calls extraordinary circumstances. These are events not inherent in the normal activity of an airline and beyond its actual control, such as certain air traffic control outages, security incidents, some strikes outside the airline, or runway closures due to emergencies.

Following high-profile air traffic control failures affecting UK airspace, including events that hit Heathrow schedules, the CAA has published detailed reviews and reiterated that while airlines still owe duties of care in such situations, compensation is generally not payable when the root cause is a system failure in national air traffic services. Government material on an independent review into the August 2023 NATS outage also points to proposed reforms that could, in future, strengthen consumer protections and dispute resolution mechanisms.

By contrast, problems judged to be within the airline’s control, such as crew shortages, rostering issues or certain technical faults with aircraft, are more likely to trigger compensation when delay thresholds are passed. The CAA indicates that if an airline claims extraordinary circumstances, it should be able to give passengers a clear explanation when they later make a claim.

How to pursue a claim after Heathrow disruption

Travellers affected by disruption at Heathrow are advised by consumer and regulatory guidance to gather documentation and submit claims directly to airlines first. This typically involves using an online form or dedicated email address, providing booking references, boarding passes, written confirmation of the delay or cancellation, and receipts for any out-of-pocket expenses not directly arranged by the carrier.

The CAA’s passenger complaints information explains that if an airline rejects a claim or fails to respond, passengers may be able to escalate to an approved alternative dispute resolution body, depending on whether the airline is a member of such a scheme. Where there is no ADR coverage, complaints can be taken to the CAA’s Passenger Advice and Complaints Team, which can review cases and provide further guidance, although it does not act as a court.

Legal time limits also apply. The CAA notes that claims for fixed-sum compensation under UK261 can generally be pursued in the courts for several years after the flight, reflecting wider UK limitation rules, while separate treaties such as the Montreal Convention govern broader damages claims for financial loss. Travellers are therefore encouraged to keep records of correspondence and decisions from airlines in case they need to escalate.

Passenger research published by the CAA after earlier nationwide disruption found that many people were unaware of their rights and unsure how to enforce them. With Heathrow remaining one of the world’s busiest hubs and prone to knock-on effects from wider air traffic issues, travellers who understand the distinction between care, refund and compensation rights are better placed to secure the support that UK law intends them to have.

UK Civil Aviation Authority: Flight delays and cancellations guidance

Heathrow Airport: delayed or cancelled flights FAQ

UK Department for Transport: air passenger travel rights guide

CAA guidance to consumers impacted by Heathrow incident