DL621Delta Air Lines · JFK → CUN
live · 21m ago
Route confirmed Delta Air Lines

DL621 New YorkJFK · 08:30 CancúnCUN · 12:44

DL621 by Delta Air Lines flies from New York (JFK) to Cancún (CUN) for the Mon, Nov 2 departure.

Right nowOn Time · gate B30 · as of 00:40
08:30

departs JFK · on schedule

Typical gate push−6 minmedian posted departure
Typical arrival−16 minmedian over 4 operations
Wins back in air~10 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-01
−6 gate · −9 arrival
10-31
−7 gate · −24 arrival
10-30
−5 gate · −19 arrival
10-29
−14 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
JFKNew YorkOn-time likelyJFK delay board →
CUNCancúnOn-time likelyCUN delay board →
JFK→CUNevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
32%Chance of 15+ min delay
5.4%Chance of cancellation
+2 minTypical airport delay in this weather

Conditions 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. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

New York to Cancún with Delta Air Lines · Tue 3 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.5%0.9× usual
Chance a departure leaves 60+ min late
4.0%0.6× usual

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

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 ~16 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.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-01JFK 08:30 08:24 (−6)CUN 12:44 12:35 (−9)
10-31JFK 08:30 08:23 (−7)CUN 11:44 11:20 (−24)
10-30JFK 08:30 08:25 (−5)CUN 11:44 11:25 (−19)
10-29JFK CUN 11:44 11:30 (−14)

Board 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

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: DL621 New York to Cancún on-time performance, measured from the JFK and CUN airport boards.

Canonical URL
https://proflightsearch.com/flight/DL621
How we measure this →