WN4104Southwest Airlines · BNA → HOU
live · 3h ago
Route confirmed Southwest Airlines

WN4104 NashvilleBNA · 16:45 HoustonHOU · 18:00

WN4104 by Southwest Airlines flies from Nashville (BNA) to Houston (HOU).

Same number through BNA → JAN → HOU

Right nowNext departure today Operates daily
18:00

scheduled from BNA

Typical gate push+38 minmedian posted departure

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-09
+38 gate
09-30
+20 gate
09-29
+12 gate
09-28
+66 gate
09-27
+17 gate
09-25
+38 gate

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

0 cancelled · 6 operations tracked

The route today

live boards
BNANashvilleModerate riskBNA delay board →
HOUHoustonOn-time likelyHOU delay board →
BNA→HOUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
37%Chance of 15+ min delay
1.1%Chance of cancellation

Conditions at BNA and HOU 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 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 Houston flights today

same route · Southwest Airlines
WN444departs 13:30
WN573departs 18:35

If WN4104 is cancelled, these are the other Southwest Airlines nonstop flights from Nashville to Houston 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 WN4104 actually runs

Pro Flight Search has tracked every published board update for WN4104 across the BNA and HOU boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min late. Based on 6 confirmed landings · 3/6 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 WN4104 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
10-09BNA 16:45 17:23 (+38)HOU
09-30BNA 16:50 17:10 (+20)HOU
09-29BNA 16:50 17:02 (+12)HOU
09-28BNA 16:45 17:51 (+66)HOU
09-27BNA 16:50 17:07 (+17)HOU
09-25BNA 16:45 17:23 (+38)HOU

Aircraft

Recent tails: N960WN, N298WN, N8840Q, N914WN.

Board clocks recorded as BNA and HOU 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 — WN4104 Nashville to Houston on-time performance, measured from the BNA and HOU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4104
How we measure this →