How often is Finnair delayed at Heathrow?
£350 per passenger if a 3+ hour delay hits this route
Effectively one route: Heathrow to Helsinki, 1,848 km apart.
In the last 12 months, Finnair operated 3,302 flights at Heathrow, and 0.1% were 3 or more hours late, the threshold where £350 per passenger becomes payable.
Effectively one route: Heathrow to Helsinki, 1,848 km apart, which puts a delay of 3 hours or more in the £350 per passenger band.
Punctuality is up on last year: 74.1% of flights ran on time against 69.9% in the twelve months before, and the average delay fell from 12.5 to 11.8 minutes.
| Finnair at Heathrow, last 12 months | Figure | vs year before |
|---|---|---|
| Flights at Heathrow | 3,302 | was 3,631 |
| Ran on time (within 15 min) | 74.1% | ▲ was 69.9% |
| Average delay | 11.8 min | ▼ was 12.5 min |
| 3h+ late (compensation threshold) | 0.1% | - |
| Cancelled | 2.5% | - |
| Flights 3h+ late (a year) | 3 flights/year | - |
The CAA's figures combine arrivals and departures, so this covers traffic both ways, not departures alone.
Finnair at Heathrow, month by month
Worst month: January 2026, averaging 20 minutes.
Finnair's busiest routes at Heathrow
| Destination | 3h+ % | 3h+ delay pays |
|---|---|---|
| Helsinki | 0.1% | £350 |
Your rights on this route
Heathrow is a UK airport, so every flight departing from it is covered by UK261, whichever airline you fly with. Delays of 3 or more hours pay £220 to £520 per passenger depending on how far you were flying, and the table above gives the exact figure for each of these routes. See the full breakdown on the 3-hour rule. If the flight is cancelled instead of delayed, broadly the same amounts apply under different conditions. See cancelled flight compensation.
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Other airlines at Heathrow
Source: UK Civil Aviation Authority punctuality statistics, July 2025 to June 2026. Analysis by CheckFlightCompensation; the CAA is credited as the data source as its publication conditions require. Figures cover the 25 largest UK airports.