WN4631Southwest Airlines · BNA → JAX
live · 17m ago
Route confirmed Southwest Airlines

WN4631 NashvilleBNA · 20:50 JacksonvilleJAX · 23:25

WN4631 by Southwest Airlines flies from Nashville (BNA) to Jacksonville (JAX) for the Fri, Oct 16 departure.

Right nowExpected · today
20:50

departs BNA · on schedule

Typical gate push+61 minmedian posted departure
Typical arrival+53 minmedian over 8 operations
Wins back in air~8 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+60+121+181 min
10-16
+53 arrival
10-15
+81 gate · +57 arrival
10-12
+34 gate · +4 arrival
10-11
+181 gate · +151 arrival
10-09
+61 gate · +53 arrival
10-08
+117 gate · +96 arrival
10-05
+29 gate · +3 arrival

The 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 operation

median arrival +53 min · 0 cancelled · 8 operations tracked

The route today

live boards
BNANashvilleModerate riskBNA delay board →
JAXJacksonvilleOn-time likelyJAX delay board →
BNA→JAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
2.1%Chance of cancellation
+10 minAvg hub delay right now

Conditions at BNA and JAX 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 Jacksonville flights today

same route · Southwest Airlines
WN174departs 05:55
WN4972departs 10:00
WN2803departs 10:20
WN2942departs 10:20
WN4668departs 13:25
WN2697departs 14:00

If WN4631 is cancelled, these are the other Southwest Airlines nonstop flights from Nashville to Jacksonville 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 WN4631 actually runs

Pro Flight Search has tracked every published board update for WN4631 across the BNA and JAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~54 min late. Based on 8 confirmed landings · 3/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4631 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
10-16BNA 20:50JAX 23:25 00:18 (+53)
10-15BNA 20:50 22:11 (+81)JAX 23:25 00:22 (+57)
10-12BNA 20:50 21:24 (+34)JAX 23:25 23:29 (+4)
10-11BNA 19:50 22:51 (+181)JAX 22:25 00:56 (+151)
10-09BNA 20:50 21:51 (+61)JAX 23:25 00:18 (+53)
10-08BNA 20:50 22:47 (+117)JAX 23:25 01:01 (+96)
10-05BNA 20:50 21:19 (+29)JAX 23:25 23:28 (+3)
10-04BNA 19:50 20:25 (+35)JAX 22:25 22:34 (+9)

Aircraft

Recent tails: N8720L, N8722L, N8646B, N8321D.

Board clocks recorded as BNA and JAX 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 — WN4631 Nashville to Jacksonville on-time performance, measured from the BNA and JAX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4631
How we measure this →