UA8425 MontréalYUL DetroitDTW · 21:54
UA8425 by United Airlines flies from Montréal (YUL) to Detroit (DTW) for the Sun, Sep 6 departure.
arrival expected at DTW · on schedule
board checked 23m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YUL and DTW 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 →
How UA8425 actually runs
Pro Flight Search has tracked every published board update for UA8425 across the YUL and DTW boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +0 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA8425 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 YUL and DTW published them.
Planning around UA8425? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA8425 Montréal to Detroit on-time performance, measured from the YUL and DTW airport boards.
https://proflightsearch.com/flight/UA8425
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