BA9178 TorontoYYZ · 20:30 LondonLHR
BA9178 by British Airways flies from Toronto (YYZ) to London (LHR).
scheduled from YYZ
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at YYZ 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 Toronto to London flights today
same route · British AirwaysIf BA9178 is cancelled, these are the other British Airways nonstop flights from Toronto to London on the same day, with scheduled departure times in YYZ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BA9178 actually runs
Pro Flight Search has tracked every published board update for BA9178 across the YYZ and LHR boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed -25 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how BA9178 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 YYZ and LHR published them.
Planning around BA9178? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — BA9178 Toronto to London on-time performance, measured from the YYZ and LHR airport boards.
https://proflightsearch.com/flight/BA9178
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