In short: The route is 450 km long, so a 3-hour-plus delay or a late cancellation is worth £220 per passenger from London Heathrow (UK261) and €250 from Dublin (EU261). In 2025, 0.15% of flights on the route were at least 3 hours late and 1.16% were cancelled.
How punctual is the route?
- Flights operated
- 11,851
- On time (≤ 15 min late)
- 75.3%
- 3 hours or more late
- 0.15%
- Cancelled
- 1.16%
- Average delay
- 11.4 min
2025, at UK airports
close to the UK average (72.7%)
1 in 667 flights · better than the UK average
139 flights · close to the UK average
UK average 15.1 min
Source: UK Civil Aviation Authority punctuality statistics 2025 – departures and arrivals combined, measured against the schedule at the UK airport. How we use this data
Of the airlines with at least 200 flights on the route, Aer Lingus had the lowest share of 3-hour-plus delays (0.11%) and British Airways the highest (0.22%). A single bad day can move these figures, so read them as a guide, not a forecast.
Airlines on this route
| Airline | Flights | On time | 3 h+ late | Cancelled | Avg delay |
|---|---|---|---|---|---|
| Aer Lingus | 7,787 | 75.9% | 0.11% | 0.88% | 11 min |
| British Airways | 4,064 | 74.3% | 0.22% | 1.69% | 12 min |
What you can claim
| Direction | Rules | 3 h+ delay or late cancellation |
|---|---|---|
| London Heathrow → Dublin | UK261 – departure from a UK airport, any airline | £220 |
| Dublin → London Heathrow | EU261 – departure from an EU airport, any airline | €250 |
Compensation is fixed by distance, not by the ticket price, and is paid per passenger, children included. It is not due if the airline proves extraordinary circumstances. Whatever the cause, from 2 hours’ delay you are entitled to care (meals, drinks, a hotel if needed) and, after a cancellation, to a refund or re-routing.
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More routes
- London Heathrow → New York15,004 flights
- London Heathrow → Amsterdam11,219 flights
- London Heathrow → Frankfurt11,022 flights
- London Heathrow → Munich9,566 flights
- London Heathrow → Madrid9,442 flights
- London Heathrow → Paris9,251 flights
- London Heathrow → Geneva8,788 flights
- London Heathrow → Zurich8,606 flights
- London Heathrow → Edinburgh7,725 flights
- London Heathrow → Lisbon7,540 flights
- London Heathrow → Copenhagen7,164 flights
- London Heathrow → Glasgow7,072 flights
- Manchester → Dublin9,289 flights
- Edinburgh → Dublin7,483 flights
- Birmingham → Dublin7,403 flights
- London Stansted → Dublin5,930 flights
- London Gatwick → Dublin5,796 flights
- Glasgow → Dublin5,614 flights
- Liverpool John Lennon → Dublin4,734 flights
- Bristol → Dublin4,061 flights
Airport guides: London Heathrow Airport · Dublin Airport
Frequently asked questions
How much compensation for a delayed London Heathrow to Dublin flight?
The great-circle distance is 450 km (279 miles). On the flight from London Heathrow UK261 applies: £220 per passenger for an arrival delay of 3 hours or more. On the return flight from Dublin EU261 applies: €250.
How often are flights between London Heathrow and Dublin delayed or cancelled?
In 2025 the CAA recorded 11,851 flights on this route (both directions, measured at London Heathrow). 75.3% were on time or less than 15 minutes late, 0.15% were 3 hours or more late (about 1 in 667), and 1.16% were cancelled. The average delay was 11.4 minutes.
Does the airline have to pay if the delay was caused by weather or a strike?
Not if the airline proves extraordinary circumstances – for example severe weather or an air traffic control strike – and that it took all reasonable measures. Technical faults and strikes by the airline’s own staff do not normally count. What counts as extraordinary.
Sources
- UK flight punctuality statistics 2025 – UK Civil Aviation Authority
- The Air Passenger Rights and Air Travel Organisers’ Licensing (Amendment) (EU Exit) Regulations 2019 – legislation.gov.uk
- Regulation (EC) No 261/2004 – EUR-Lex
We check every rule against the sources above. Spotted an error? Tell us – see our editorial policy.