UA3621 New YorkEWR · 11:27 MontréalYUL · 13:09
UA3621 by United Airlines flies from New York (EWR) to Montréal (YUL) for the Fri, Sep 18 departure.
arrived at YUL · 23 min early
⚖ UA3621 typically leaves −7 and lands −25. 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 −25 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at EWR and YUL 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 Montréal flights today
same route · United AirlinesIf UA3621 is cancelled, these are the other United Airlines nonstop flights from New York to Montréal on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3621 actually runs
Pro Flight Search has tracked every published board update for UA3621 across the EWR and YUL boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 14 confirmed landings · 14/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA3621 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: N773YX, N745YX, N743YX, N782YX.
Board clocks recorded as EWR and YUL published them.
Planning around UA3621? 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 — UA3621 New York to Montréal on-time performance, measured from the EWR and YUL airport boards.
https://proflightsearch.com/flight/UA3621
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