WN3899 STL → MSP

Southwest Airlines · St. Louis, MO to Minneapolis, MN · 33 flights observed, 2026-03-05 to 2026-04-06 · 448 mi

This flight's reliability varies a lot by day of week — 60% on-time on Mondays vs. 20% on Fridays.

WN3899 covers more than one route in the data window — the stats below are for STL → MSP, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
53%
Median delay
+12 min
90th percentile
+62 min
Cancellation rate
3%

How often is WN3899 on time?

Across 33 flights on STL → MSP from 2026-03-05 to 2026-04-06, WN3899 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +62 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1753%
16-30 min928%
31-60 min26%
61-120 min39%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032654%+23 min
2026-04650%+9 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue475%
Wed475%
Thu560%
Fri520%
Sat475%
Sun520%

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