DL5139 MontréalYUL · 09:30 New YorkLGA · 10:59
DL5139 by Delta Air Lines flies from Montréal (YUL) to New York (LGA) for the Thu, Sep 17 departure.
arrived at LGA · 14 min early
⚖ DL5139 typically leaves +14 and lands −14. 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 −14 min · 0 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YUL and LGA 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 Montréal to New York flights today
same route · Delta Air LinesIf DL5139 is cancelled, these are the other Delta Air Lines nonstop flights from Montréal to New York on the same day, with scheduled departure times in YUL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL5139 actually runs
Pro Flight Search has tracked every published board update for DL5139 across the YUL and LGA boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 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 DL5139 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: N185GJ, N326PQ, N228PQ, N187GJ.
Board clocks recorded as YUL and LGA published them.
Planning around DL5139? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL5139 Montréal to New York on-time performance, measured from the YUL and LGA airport boards.
https://proflightsearch.com/flight/DL5139
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