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Delayed on Icelandair from Heathrow to Keflavik?

£350each if you land 3 hours or more late

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Flights a year
1,433
Landed on time
85.0%
Land 3 hrs or more late
10a year

Last 12 months, CAA data

What you're owed

Leaving Heathrow

£350each under UK law

Leaving Keflavik

£350each under UK law

Keflavik is outside the UK and EU, so coming back this only applies if a UK or EU airline operated the flight.

Heathrow to Keflavik is 1,895 km, which fixes the figure: £350 each leaving Heathrow, and the same £350 each coming back if a UK or EU airline operated the flight. It is per person, so four of you is £1,400.

How Icelandair does on this route

Better or worse than the route itself?

Everyone flying Heathrow to Keflavik hits the same airspace and the same two airports, so the honest question is not whether the route is busy, it is whether this airline handles it better or worse than the others on it.

On this route Icelandair Everyone
Landed on time 85.0% 85.1%
Average delay 10.2 min 9.4 min
Landed 3 hours or more late 0.7% 0.6%

Icelandair flies 65% of this route, so the right-hand column is mostly its own flights being averaged back at it. The comparison that means something here is against the rest of its network.

Against its own network it is 3 points better than usual: Icelandair lands on time 82.0% of the time across all 3,863 of its UK flights a year, against 85.0% here.

In money terms: about 10 flights a year on this route land 3 hours or more late, which is about 1 flight in 140. Everyone on board one of those is owed £350 each, so a full aircraft is a five-figure bill for Icelandair.

Other airlines on this route

Same two airports, same 1,895 km, same £350.

Airline Landed on time
British Airways 85.2%

Everything we hold on Heathrow to Keflavik · Icelandair across every UK airport

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. Methodology and limitations.