WN3828Southwest Airlines · STL → DEN
live · 43m ago
Route confirmed Southwest Airlines

WN3828 St LouisSTL · 12:45 DenverDEN · 14:00

WN3828 by Southwest Airlines flies from St Louis (STL) to Denver (DEN).

Right nowNext departure today Operates daily
12:45

scheduled from STL

Typical gate push+18 minmedian posted departure
Typical arrival+1 minmedian over 6 operations
Wins back in air~17 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
09-18
+18 gate · +0 arrival
09-17
+42 gate · +22 arrival
09-14
+11 gate · −2 arrival
09-11
+17 gate · +1 arrival
09-10
+20 gate · +8 arrival
09-07
+9 gate · −15 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 +1 min · 0 cancelled · 6 operations tracked

The route today

live boards
STLSt LouisModerate riskSTL delay board →
DENDenverModerate riskDEN delay board →
STL→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
1.8%Chance of cancellation
+10 minAvg hub delay right now

Conditions at STL and DEN 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 St Louis to Denver flights today

same route · Southwest Airlines
WN3826departs 06:25
WN3827departs 08:30
WN225departs 09:45
WN125departs 12:20
WN3961departs 12:20
WN3829departs 14:00

If WN3828 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Denver on the same day, with scheduled departure times in STL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3828 actually runs

Pro Flight Search has tracked every published board update for WN3828 across the STL and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 6 confirmed landings · 5/6 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 WN3828 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
09-18STL 12:45 13:03 (+18)DEN 14:00 (+0)
09-17STL 12:45 13:27 (+42)DEN 14:00 14:22 (+22)
09-14STL 12:45 12:56 (+11)DEN 14:00 13:58 (−2)
09-11STL 12:45 13:02 (+17)DEN 14:00 14:01 (+1)
09-10STL 12:45 13:05 (+20)DEN 14:00 14:08 (+8)
09-07STL 12:45 12:54 (+9)DEN 14:00 13:45 (−15)

Aircraft

Recent tails: N9014W, N8542Z, N8773Q, N8759Q.

Board clocks recorded as STL and DEN 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 — WN3828 St Louis to Denver on-time performance, measured from the STL and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3828
How we measure this →