WN4204Southwest Airlines · TUL → DEN
live · 8m ago
Route confirmed Southwest Airlines

WN4204 TulsaTUL · 19:15 DenverDEN · 20:00

WN4204 by Southwest Airlines flies from Tulsa (TUL) to Denver (DEN).

Right nowNext departure today Operates daily
19:15

scheduled from TUL

Typical gate push+67 minmedian posted departure
Typical arrival+49 minmedian over 6 operations
Wins back in air~18 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+40+80+120 min
10-20
+13 gate · −4 arrival
10-19
+13 gate · −4 arrival
10-16
+67 gate · +49 arrival
10-15
+120 gate · +107 arrival
10-12
+81 gate · +76 arrival
10-09
+66 gate · +39 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 +49 min · 0 cancelled · 6 operations tracked

The route today

live boards
TULTulsaOn-time likelyTUL delay board →
DENDenverOn-time likelyDEN delay board →
TUL→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
48%Chance of 15+ min delay
2.0%Chance of cancellation
+14 minAvg hub delay right now

Conditions at TUL 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 Tulsa to Denver flights today

same route · Southwest Airlines
WN2242departs 06:05
WN4203departs 06:05
WN1531departs 06:55
WN2897departs 13:40
WN2639departs 13:45
WN1764departs 18:05

If WN4204 is cancelled, these are the other Southwest Airlines nonstop flights from Tulsa to Denver on the same day, with scheduled departure times in TUL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4204 actually runs

Pro Flight Search has tracked every published board update for WN4204 across the TUL and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~49 min late. Based on 6 confirmed landings · 2/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4204 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
10-20TUL 19:15 19:28 (+13)DEN 20:00 19:56 (−4)
10-19TUL 19:15 19:28 (+13)DEN 20:00 19:56 (−4)
10-16TUL 19:15 20:22 (+67)DEN 20:00 20:49 (+49)
10-15TUL 19:15 21:15 (+120)DEN 20:00 21:47 (+107)
10-12TUL 19:15 20:36 (+81)DEN 20:00 21:16 (+76)
10-09TUL 19:15 20:21 (+66)DEN 20:00 20:39 (+39)

Aircraft

Recent tails: N8619F, N8950L, N9017L, N9026R.

Board clocks recorded as TUL 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 — WN4204 Tulsa to Denver on-time performance, measured from the TUL and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4204
How we measure this →