WN1543Southwest Airlines · DEN → BNA
live · 25m ago
Route confirmed Southwest Airlines

WN1543 DenverDEN · 05:45 NashvilleBNA · 09:15

WN1543 by Southwest Airlines flies from Denver (DEN) to Nashville (BNA) for the Sat, Oct 17 departure.

Right nowLanded in Nashville · today
09:08

arrived at BNA · 7 min early

Typical gate push−2 minmedian posted departure
Typical arrival−15 minmedian over 7 operations
Wins back in air~13 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-17
−3 gate · −7 arrival
10-16
−2 gate · −14 arrival
10-15
+1 gate · −15 arrival
10-14
−2 gate · −5 arrival
10-13
+1 gate · −16 arrival
10-12
−2 gate · −20 arrival
10-11
−20 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 −15 min · 0 cancelled · 7 operations tracked

The route today

live boards
DENDenverModerate riskDEN delay board →
BNANashvilleModerate riskBNA delay board →
DEN→BNAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
42%Chance of 15+ min delay
2.4%Chance of cancellation
+10 minAvg hub delay right now

Driven mainly by BNA (Nashville), currently flying MVFR (marginal visual). 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 Denver to Nashville flights today

same route · Southwest Airlines
WN2322departs 07:35
WN1544departs 07:40
WN8006departs 08:00
WN5144departs 09:30
WN1545departs 10:30
WN2286departs 12:50

If WN1543 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Nashville on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN1543 actually runs

Pro Flight Search has tracked every published board update for WN1543 across the DEN and BNA boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 7 confirmed landings · 7/7 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN1543 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
10-17DEN 05:45 05:42 (−3)BNA 09:15 09:08 (−7)
10-16DEN 06:00 05:58 (−2)BNA 09:30 09:16 (−14)
10-15DEN 06:00 06:01 (+1)BNA 09:30 09:15 (−15)
10-14DEN 05:55 05:53 (−2)BNA 09:25 09:20 (−5)
10-13DEN 05:55 05:56 (+1)BNA 09:25 09:09 (−16)
10-12DEN 06:00 05:58 (−2)BNA 09:30 09:10 (−20)
10-11DEN 05:05BNA 08:35 08:15 (−20)

Aircraft

Recent tails: N451WN, N7873A, N297WN, N7723E.

Board clocks recorded as DEN and BNA published them.

Planning around WN1543? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — WN1543 Denver to Nashville on-time performance, measured from the DEN and BNA airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1543
How we measure this →