Delayed on British Airways from Heathrow to Seattle (Tacoma)?
£520each if you land 3 hours or more late
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FreePick the date you flew and we'll list every Heathrow to Seattle (Tacoma) flight that day.
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- Flights a year
- 1,254
- Landed on time
- 74.6%
- Distance apart
- 7,702 km
Last 12 months, CAA data
What you're owed
Leaving Heathrow
£520each under UK law
Leaving Seattle (Tacoma)
£520each under UK law
Seattle (Tacoma) is outside the UK and EU, so coming back this only applies if a UK or EU airline operated the flight.
Heathrow to Seattle (Tacoma) is 7,702 km, which fixes the figure: £520 each leaving Heathrow, and the same £520 each coming back if a UK or EU airline operated the flight. It is per person, so four of you is £2,080.
How British Airways does on this route
Better or worse than the route itself?
Everyone flying Heathrow to Seattle (Tacoma) 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 British Airways is 5.2 points worse than the other airlines flying it, and its average delay is 2.1 minutes longer.
Against its own network it is 1.8 points worse than usual: British Airways lands on time 76.4% of the time across all 309,084 of its UK flights a year, against 74.6% here.
In money terms: about 5 flights a year on this route land 3 hours or more late, which is about 1 flight in 250. Everyone on board one of those is owed £520 each.
Other airlines on this route
Same two airports, same 7,702 km, same £520.
Everything we hold on Heathrow to Seattle (Tacoma) · British Airways 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.