AC8631Air Canada · LGA → YUL
live · 14m ago
Route confirmed Air Canada

AC8631 New YorkLGA MontréalYUL

AC8631 by Air Canada flies from New York (LGA) to Montréal (YUL).

Right nowNext departure tomorrow Operates daily
06:30

scheduled from LGA

The route today

live boards
LGANew YorkHigh riskLGA delay board →
YULMontréalHigh riskYUL delay board →
LGA→YULevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
43%Chance of 15+ min delay
9.9%Chance of cancellation
+17 minTypical airport delay in this weather

Driven mainly by LGA (New York), currently flying MVFR (marginal visual). 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 New York

Forecast

Sat 14 Nov, local date

High9°Clikely 8°C to 10°C
Low5°Clikely 3°C to 6°C

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 Montréal

Forecast

Sat 14 Nov, local date

High6°Clikely 5°C to 7°C
Low1°Clikely −1°C to 3°C
  • 44% chance of snow
  • 80% 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other New York to Montréal flights today

same route · Air Canada
AC727departs 06:00
AC8633departs 08:45
AC8635departs 10:35
AC731departs 13:10
AC8637departs 13:10
AC733departs 15:30

If AC8631 is cancelled, these are the other Air Canada nonstop flights from New York to Montréal on the same day, with scheduled departure times in LGA 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 AC8631 actually runs

Pro Flight Search has tracked every published board update for AC8631 across the LGA and YUL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 88.8/100. Based on airport operations, weather, and cached board history at LGA and YUL.

The verdict above is that record speaking, so it reflects how AC8631 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AC8631? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: AC8631 New York to Montréal on-time performance, measured from the LGA and YUL airport boards.

Canonical URL
https://proflightsearch.com/flight/AC8631
How we measure this →