WN3391 MCI → STL

Southwest Airlines · Kansas City, MO to St. Louis, MO · 18 flights observed, 2025-11-22 to 2026-01-04 · 237 mi

WN3391 covers more than one route in the data window — the stats below are for MCI → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-13 min
90th percentile
+10 min
Cancellation rate
6%

How often is WN3391 on time?

Across 18 flights on MCI → STL from 2025-11-22 to 2026-01-04, WN3391 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +10 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1588%
16-30 min16%
31-60 min16%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11475%+0 min
2025-121090%-8 min
2026-013100%-18 min

Performance by day of week

DayFlightsOn-time
Mon250%
Tue3100%
Wed1100%
ThuNo data—
Fri3100%
Sat580%
Sun3100%

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