AC8451Air Canada · LGA → YYZ
live · 25m ago
Route confirmed Air Canada

AC8451 New YorkLGA TorontoYYZ

AC8451 by Air Canada flies from New York (LGA) to Toronto (YYZ).

Right nowNext departure tomorrow Operates daily
06:45

scheduled from LGA

The route today

live boards
LGANew YorkOn-time likelyLGA delay board →
YYZTorontoOn-time likelyYYZ delay board →
LGA→YYZevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
5.1%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at LGA and YYZ are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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

Forecast

New York to Toronto with Air Canada · Sat 31 Oct, local date

Outlook: below usual
Chance a departure is cancelled
2.6%0.5× usual
Chance a departure leaves 60+ min late
5.4%0.5× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 9 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 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 Toronto flights today

same route · Air Canada
AC701departs 06:30
AC703departs 07:25
AC8453departs 07:25
AC705departs 08:45
AC707departs 10:30
AC8457departs 10:30

If AC8451 is cancelled, these are the other Air Canada nonstop flights from New York to Toronto 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 AC8451 actually runs

Pro Flight Search has tracked every published board update for AC8451 across the LGA and YYZ boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at LGA and YYZ.

The verdict above is that record speaking, so it reflects how AC8451 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AC8451? 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: AC8451 New York to Toronto on-time performance, measured from the LGA and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/AC8451
How we measure this →