UA8231 New YorkLGA · 11:55 TorontoYYZ
UA8231 by United Airlines flies from New York (LGA) to Toronto (YYZ).
scheduled from LGA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions 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 at New York
ForecastTue 10 Nov, local date
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 Toronto
ForecastTue 10 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to Toronto flights today
same route · United AirlinesIf UA8231 is cancelled, these are the other United Airlines 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 UA8231 actually runs
Pro Flight Search has tracked every published board update for UA8231 across the LGA and YYZ boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: departed +15 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA8231 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 LGA and YYZ published them.
Planning around UA8231? 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: UA8231 New York to Toronto on-time performance, measured from the LGA and YYZ airport boards.
https://proflightsearch.com/flight/UA8231
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