WN3811 MSP → STL

Southwest Airlines · Minneapolis, MN to St. Louis, MO · 50 flights observed, 2025-08-05 to 2025-10-01 · 448 mi

This flight runs much more reliably at some times of day than others — 97% on-time departing 3–6am vs. 39% departing 3–6pm.

WN3811 covers more than one route in the data window — the stats below are for MSP → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
-2 min
90th percentile
+33 min
Cancellation rate
0%

How often is WN3811 on time?

Across 50 flights on MSP → STL from 2025-08-05 to 2025-10-01, WN3811 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +33 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3876%
16-30 min48%
31-60 min612%
61-120 min24%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082383%+4 min
2025-092669%+7 min
2025-101100%-4 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue944%
Wed933%
Thu8100%
Fri8100%
SatNo data—
Sun8100%

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