DL4909 New YorkJFK · 16:00 NashvilleBNA · 17:42
DL4909 by Delta Air Lines flies from New York (JFK) to Nashville (BNA) for the Wed, Nov 11 departure.
departs JFK · 10 min late
board checked 58m ago · checking again in 45s
⚖ DL4909 typically leaves −6 and lands −34. 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 −34 min · 0 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at JFK and BNA 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 12 Nov, local date
- 97% 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 Nashville
ForecastThu 12 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 Nashville flights today
same route · Delta Air LinesIf DL4909 is cancelled, these are the other Delta Air Lines nonstop flights from New York to Nashville 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 DL4909 actually runs
Pro Flight Search has tracked every published board update for DL4909 across the JFK and BNA boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL4909 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: N831SK, N480PX, N919XJ, N829SK.
Board clocks recorded as JFK and BNA published them.
Planning around DL4909? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: DL4909 New York to Nashville on-time performance, measured from the JFK and BNA airport boards.
https://proflightsearch.com/flight/DL4909
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