B6851 New YorkJFK CancúnCUN
B6851 by JetBlue Airways flies from New York (JFK) to Cancún (CUN).
scheduled from JFK
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions 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 at New York
ForecastThu 5 Nov, local date
- 28% chance of fog
- 85% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Cancún
ForecastThu 5 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
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 · JetBlue AirwaysIf B6851 is cancelled, these are the other JetBlue Airways nonstop flights from New York to Cancún on the same day, with scheduled departure times in JFK local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How B6851 actually runs
Pro Flight Search has tracked every published board update for B6851 across the JFK and CUN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at JFK and CUN.
The verdict above is that record speaking, so it reflects how B6851 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around B6851? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: B6851 New York to Cancún on-time performance, measured from the JFK and CUN airport boards.
https://proflightsearch.com/flight/B6851