DL621 New YorkJFK · 08:30 CancúnCUN · 11:45
DL621 by Delta Air Lines flies from New York (JFK) to Cancún (CUN) for the Sun, Sep 6 departure.
estimated arrival at CUN · local time · landing about now
board checked 9m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 08:26 · typical taxi-out at JFK ≈ 11.1 min. No receiver coverage over open ocean.
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
Early read, sample still buildingConditions at JFK and CUN 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 Cancún flights today
same route · Delta Air LinesIf DL621 is cancelled, these are the other Delta Air Lines nonstop flights from New York to Cancún on the same day, with scheduled departure times in JFK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL621 actually runs
Pro Flight Search has tracked every published board update for DL621 across the JFK and CUN boards: schedule changes, gate pushes and actual clocks. Usually lands ~15 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how DL621 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 JFK and CUN published them.
Planning around DL621? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL621 New York to Cancún on-time performance, measured from the JFK and CUN airport boards.
https://proflightsearch.com/flight/DL621
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