AA4556 New YorkLGA · 12:56 TorontoYYZ · 14:39
AA4556 by American Airlines flies from New York (LGA) to Toronto (YYZ) for the Sat, Sep 5 departure.
arrived at YYZ · 32 min early
⚖ AA4556 typically leaves +0 and lands −12. The air wins minutes back.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 −12 min · 1 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 · American AirlinesIf AA4556 is cancelled, these are the other American 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 AA4556 actually runs
Pro Flight Search has tracked every published board update for AA4556 across the LGA and YYZ boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 13 confirmed landings · 9/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA4556 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: N857RW, N416YX, N864RW, N979RP.
Board clocks recorded as LGA and YYZ published them.
Planning around AA4556? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4556 New York to Toronto on-time performance, measured from the LGA and YYZ airport boards.
https://proflightsearch.com/flight/AA4556
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