AC866 MontréalYUL · 18:40 LondonLHR · 06:30
AC866 by Air Canada flies from Montréal (YUL) to London (LHR).
scheduled from YUL
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 −13 min · 0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by LHR (London), currently flying LIFR (low instrument). 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 on this route
ForecastMontréal to London with Air Canada · Sat 31 Oct, local date
- Chance a departure is cancelled
- 1.0%0.6× usual
- Chance a departure leaves 60+ min late
- 6.0%0.6× usual
Forecast weather: 48% chance of fog at London
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · 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 Montréal to London flights today
same route · Air CanadaIf AC866 is cancelled, these are the other Air Canada nonstop flights from Montréal to London on the same day, with scheduled departure times in YUL 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 AC866 actually runs
Pro Flight Search has tracked every published board update for AC866 across the YUL and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AC866 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: C-GEGP, C-GHLM, C-GHKX, C-GXZD.
Board clocks recorded as YUL and LHR published them.
Planning around AC866? 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: AC866 Montréal to London on-time performance, measured from the YUL and LHR airport boards.
https://proflightsearch.com/flight/AC866
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