DL4146 NashvilleBNA · 07:05 AustinAUS · 09:29
DL4146 by Delta Air Lines flies from Nashville (BNA) to Austin (AUS) for the Mon, Sep 21 departure.
en route from BNA to AUS
board checked 40m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 07:17 · typical taxi-out at BNA ≈ 5.1 min.
Where the minutes go
last 5 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 −35 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at BNA and AUS 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 Nashville to Austin flights today
same route · Delta Air LinesIf DL4146 is cancelled, these are the other Delta Air Lines nonstop flights from Nashville to Austin on the same day, with scheduled departure times in BNA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL4146 actually runs
Pro Flight Search has tracked every published board update for DL4146 across the BNA and AUS boards: schedule changes, gate pushes and actual clocks. Usually lands ~35 min early. Based on 5 confirmed landings · 4/5 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 DL4146 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: N308SY, N272SY, N244SY, N610CZ.
Board clocks recorded as BNA and AUS published them.
Planning around DL4146? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL4146 Nashville to Austin on-time performance, measured from the BNA and AUS airport boards.
https://proflightsearch.com/flight/DL4146
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