DL4908 New YorkJFK · 19:00 NashvilleBNA · 20:53
DL4908 by Delta Air Lines flies from New York (JFK) to Nashville (BNA) for the Wed, Oct 21 departure.
arrived at BNA · 43 min early
⚖ DL4908 typically leaves +18 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 · 15 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. 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 New York to Nashville flights today
same route · Delta Air LinesIf DL4908 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 posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL4908 actually runs
Pro Flight Search has tracked every published board update for DL4908 across the JFK and BNA boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min late. Based on 14 confirmed landings · 7/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL4908 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: N478PX, N916XJ, N826SK, N480PX.
Board clocks recorded as JFK and BNA published them.
Planning around DL4908? 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 — DL4908 New York to Nashville on-time performance, measured from the JFK and BNA airport boards.
https://proflightsearch.com/flight/DL4908
.