UA8573 New YorkLGA · 10:30 TorontoYYZ
UA8573 by United Airlines flies from New York (LGA) to Toronto (YYZ) for the Tue, Oct 20 departure.
en route from LGA to YYZ
board checked 132m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 10:21 · typical taxi-out at LGA ≈ 12.9 min.
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 operation0 cancelled · 15 operations tracked
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. For this route and airline, 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 →
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 UA8573 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 posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA8573 actually runs
Pro Flight Search has tracked every published board update for UA8573 across the LGA and YYZ boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 14 confirmed departures · 11/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA8573 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 UA8573? 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 — UA8573 New York to Toronto on-time performance, measured from the LGA and YYZ airport boards.
https://proflightsearch.com/flight/UA8573
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