Delayed on British Airways from Heathrow to Seattle (Tacoma)?
£520each if you land 4 hours or more late (£260 each at 3 to 4 hours)
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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, but British Airways is a UK airline, so its flights back are covered.
Heathrow to Seattle (Tacoma) is 7,702 km, which fixes the figure: £520 each leaving Heathrow, and the same £520 each coming back on British Airways. 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 4.9 points worse than the other airlines flying it, and its average delay is 1.8 minutes longer.
Against its own network it is 2.3 points worse than usual: British Airways lands on time 76.9% of the time across all 308,727 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 at least £260 each.
Other airlines on this route
Same two airports, same 7,702 km, same £520 each.
Find your flight
British Airways flights between Heathrow and Seattle (Tacoma)
British Airways flights we saw on this route in the last week. Tap yours, add your date, and we'll check it.
Leaving Heathrow for Seattle (Tacoma) · take-off time
Landing at Heathrow from Seattle (Tacoma) · landing time
Everything we hold on Heathrow to Seattle (Tacoma) · British Airways across every UK airport
Source: UK Civil Aviation Authority punctuality statistics, August 2025 to July 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.