WN596Southwest Airlines · DEN → STL
live · 9m ago
Route confirmed Southwest Airlines

WN596 DenverDEN · 18:45 St LouisSTL · 21:45

WN596 by Southwest Airlines flies from Denver (DEN) to St Louis (STL).

Right nowNext departure tomorrow Operates daily
10:35

scheduled from DEN

Typical gate push+46 minmedian posted departure
Typical arrival+39 minmedian over 6 operations
Wins back in air~7 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+36+73+109 min
10-30
+41 gate · +32 arrival
10-29
+29 gate · +17 arrival
10-26
+48 gate · +43 arrival
10-23
+96 gate · +80 arrival
10-22
+109 gate · +95 arrival
10-19
+44 gate · +34 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 +39 min · 0 cancelled · 6 operations tracked

The route today

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

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
43%Chance of 15+ min delay
1.3%Chance of cancellation
+10 minTypical airport delay in this weather

Driven mainly by STL (St Louis), currently flying MVFR (marginal visual). 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 on this route

Forecast

Denver to St Louis with Southwest Airlines · Mon 2 Nov, local date

Outlook: elevated
Chance a departure leaves 60+ min late
15%1.3× usual

Forecast weather: 84% chance of rain and gusts to 30 kt at Denver

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 6 departures a day on this route with this airline. · 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 Denver to St Louis flights today

same route · Southwest Airlines
WN1796departs 05:50
WN1159departs 06:20
WN4346departs 06:20
WN1839departs 06:30
WN301departs 06:35
WN3140departs 07:10

If WN596 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to St Louis on the same day, with scheduled departure times in DEN 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 WN596 actually runs

Pro Flight Search has tracked every published board update for WN596 across the DEN and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~42 min late. Based on 6 confirmed landings · 0/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN596 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
10-30DEN 18:45 19:26 (+41)STL 21:45 22:17 (+32)
10-29DEN 18:45 19:14 (+29)STL 21:45 22:02 (+17)
10-26DEN 18:45 19:33 (+48)STL 21:45 22:28 (+43)
10-23DEN 18:45 20:21 (+96)STL 21:45 23:05 (+80)
10-22DEN 18:45 20:34 (+109)STL 21:45 23:20 (+95)
10-19DEN 18:45 19:29 (+44)STL 21:45 22:19 (+34)

Aircraft

Recent tails: N8875B, N8896L, N8328A, N8853Q.

Board clocks recorded as DEN and STL 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: WN596 Denver to St Louis on-time performance, measured from the DEN and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN596
How we measure this →