WN4067Southwest Airlines · STL → DEN
live · 14m ago
Route confirmed Southwest Airlines

WN4067 St LouisSTL · 21:50 DenverDEN · 23:15

WN4067 by Southwest Airlines flies from St Louis (STL) to Denver (DEN).

Right nowNext departure today Operates daily
20:50

scheduled from STL

Typical gate push+20 minmedian posted departure
Typical arrival+17 minmedian over 8 operations
Wins back in air~3 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+47+94+141 min
11-02
+20 gate · +141 arrival
10-30
+17 gate · −7 arrival
10-29
+39 gate · +21 arrival
10-28
+8 gate · −10 arrival
10-27
+79 gate · +51 arrival
10-26
+20 gate · +141 arrival
10-23
+30 gate · +13 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 +17 min · 0 cancelled · 8 operations tracked

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
DENDenverOn-time likelyDEN delay board →
STL→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
44%Chance of 15+ min delay
1.3%Chance of cancellation
+12 minTypical airport delay in this weather

Driven mainly by STL (St Louis), currently flying IFR (instrument). These figures come from both airports' records 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 →

Tomorrow at St Louis

Forecast

Tue 3 Nov, local date

High21°Clikely 20°C to 23°C
Low19°Clikely 14°C to 23°C
  • 53% chance of thunder
  • 97% chance of rain
  • Gusts to 32 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Denver

Forecast

Tue 3 Nov, local date

High14°Clikely 11°C to 16°C
Low3°Clikely 1°C to 5°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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
WN2697departs 05:55
WN3356departs 06:05
WN4140departs 06:10
WN2698departs 08:05
WN4141departs 08:25
WN4062departs 08:35

If WN4067 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN4067 actually runs

Pro Flight Search has tracked every published board update for WN4067 across the STL and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min late. Based on 8 confirmed landings · 4/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4067 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
11-02STL 21:50 22:10 (+20)DEN 23:15 01:36 (+141)
10-30STL 21:50 22:07 (+17)DEN 23:15 23:08 (−7)
10-29STL 21:50 22:29 (+39)DEN 23:15 23:36 (+21)
10-28STL 20:50 20:58 (+8)DEN 22:15 22:05 (−10)
10-27STL 20:50 22:09 (+79)DEN 22:15 23:06 (+51)
10-26STL 21:50 22:10 (+20)DEN 23:15 01:36 (+141)
10-23STL 21:50 22:20 (+30)DEN 23:15 23:28 (+13)
10-22STL 21:50 21:47 (−3)DEN 23:15 22:48 (−27)

Aircraft

Recent tails: N8307K, N8987Q, N8821S, N8741L.

Board clocks recorded as STL and DEN published them.

Planning around WN4067? 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: WN4067 St Louis to Denver on-time performance, measured from the STL and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4067
How we measure this →