WN3604 DEN → STL

Southwest Airlines · Denver, CO to St. Louis, MO · 25 flights observed, 2025-07-03 to 2025-08-04 · 770 mi

This flight has been on time less than half the time (44%) — expect a real chance of a delay.

WN3604 covers more than one route in the data window — the stats below are for DEN → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
44%
Median delay
+35 min
90th percentile
+224 min
Cancellation rate
0%

How often is WN3604 on time?

Across 25 flights on DEN → STL from 2025-07-03 to 2025-08-04, WN3604 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +35 min, and the worst 10% of flights arrived +224 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1144%
16-30 min14%
31-60 min520%
61-120 min312%
2+ hrs520%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072143%+67 min
2025-08450%+75 min

Performance by day of week

DayFlightsOn-time
Mon540%
TueNo data—
WedNo data—
Thu540%
Fri520%
Sat560%
Sun560%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…