WN4997Southwest Airlines · BNA → SDF
live · 2h ago
Route confirmed Southwest Airlines

WN4997 NashvilleBNA · 18:40 LouisvilleSDF · 20:40

WN4997 by Southwest Airlines flies from Nashville (BNA) to Louisville (SDF).

Right nowNext departure today Operates daily
18:40

scheduled from BNA

Typical gate push+31 minmedian posted departure
Typical arrival+3 minmedian over 4 operations
Wins back in air~28 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
09-09
+55 gate · +27 arrival
09-08
+31 gate · +3 arrival
09-02
+8 gate · −14 arrival
09-01
+9 gate · −13 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
BNANashvilleOn-time likelyBNA delay board →
SDFLouisvilleHigh riskSDF delay board →
BNA→SDFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
2.2%Chance of cancellation
+4 minAvg hub delay right now

Conditions at BNA and SDF 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 departures
061422
M
T
W
T
F
S
S

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

Other Nashville to Louisville flights today

same route · Southwest Airlines
WN1960departs 10:05
WN3960departs 10:10
WN2601departs 11:10
WN704departs 12:30
WN3882departs 15:20
WN4480departs 18:35

If WN4997 is cancelled, these are the other Southwest Airlines nonstop flights from Nashville to Louisville 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 WN4997 actually runs

Pro Flight Search has tracked every published board update for WN4997 across the BNA and SDF boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 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 WN4997 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-09BNA 18:40 19:35 (+55)SDF 20:40 21:07 (+27)
09-08BNA 18:40 19:11 (+31)SDF 20:40 20:43 (+3)
09-02BNA 18:40 18:48 (+8)SDF 20:35 20:21 (−14)
09-01BNA 18:40 18:49 (+9)SDF 20:35 20:22 (−13)

Aircraft

Recent tails: N263WN, N7848A, N7860A, N276WN.

Board clocks recorded as BNA and SDF published them.

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 — WN4997 Nashville to Louisville on-time performance, measured from the BNA and SDF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4997
How we measure this →