STL → MSP Southwest Airlines

Southwest Airlines · St. Louis, MO to Minneapolis, MN · 651 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers

This route runs much more reliably at some times of day than others — 92% on-time departing 6–9am vs. 52% departing 9pm–12am.
On-time arrival
77%
Median delay
-1 min
90th percentile
+41 min
Cancellation rate
0%

How on-time is Southwest Airlines from STL to MSP?

Across every Southwest Airlines flight number on STL → MSP (651 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +41 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time49877%
16-30 min6310%
31-60 min508%
61-120 min234%
2+ hrs152%

Performance by month

MonthFlightsOn-timeAvg delay
2025-076170%+21 min
2025-085689%+0 min
2025-095677%+11 min
2025-105878%+5 min
2025-115480%+3 min
2025-125862%+15 min
2026-014088%+3 min
2026-024384%+2 min
2026-035173%+12 min
2026-045584%-1 min
2026-055777%+8 min
2026-066067%+23 min

Performance by day of week

DayFlightsOn-time
Mon10171%
Tue9886%
Wed9586%
Thu10085%
Fri10071%
Sat6879%
Sun8757%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…