BA51 BostonBOS LondonLHR
BA51 by British Airways flies from Boston (BOS) to London (LHR).
scheduled from BOS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BOS and LHR are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Boston to London flights today
same route · British AirwaysIf BA51 is cancelled, these are the other British Airways nonstop flights from Boston to London on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BA51 actually runs
Pro Flight Search has tracked every published board update for BA51 across the BOS and LHR boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at BOS and LHR.
The verdict above is that record speaking, so it reflects how BA51 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around BA51? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — BA51 Boston to London on-time performance, measured from the BOS and LHR airport boards.
https://proflightsearch.com/flight/BA51
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