BA1274 Las VegasLAS LondonLHR
BA1274 by British Airways flies from Las Vegas (LAS) to London (LHR).
scheduled from LAS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at LAS 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Las Vegas to London flights today
same route · British AirwaysIf BA1274 is cancelled, these are the other British Airways nonstop flights from Las Vegas to London on the same day, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BA1274 actually runs
Pro Flight Search has tracked every published board update for BA1274 across the LAS and LHR boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at LAS and LHR.
The verdict above is that record speaking, so it reflects how BA1274 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around BA1274? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — BA1274 Las Vegas to London on-time performance, measured from the LAS and LHR airport boards.
https://proflightsearch.com/flight/BA1274
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