BA53 LondonLHR · 09:25 SeattleSEA · 11:25
BA53 by British Airways flies from London (LHR) to Seattle (SEA) for the Tue, Nov 3 departure.
estimated arrival at SEA · local time · ~52 min from now
position updated 3m ago · checking again in 90s
Live position · flown path, last 2h 48m
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −44 min · 0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LHR and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at London
ForecastWed 4 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Seattle
ForecastWed 4 Nov, local date
- 32% chance of fog
- 86% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other London to Seattle flights today
same route · British AirwaysIf BA53 is cancelled, this is the other British Airways nonstop flight from London to Seattle on the same day, with scheduled departure times in LHR local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How BA53 actually runs
Pro Flight Search has tracked every published board update for BA53 across the LHR and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~27 min late. Based on 7 confirmed departures · 1/7 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how BA53 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as LHR and SEA published them.
Planning around BA53? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: BA53 London to Seattle on-time performance, measured from the LHR and SEA airport boards.
https://proflightsearch.com/flight/BA53
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