WN3320 MCI → STL

Southwest Airlines · Kansas City, MO to St. Louis, MO · 35 flights observed, 2025-07-01 to 2025-08-04 · 237 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 20% on Thursdays.

WN3320 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
60%
Median delay
+9 min
90th percentile
+41 min
Cancellation rate
0%

How often is WN3320 on time?

Across 35 flights on MCI → STL from 2025-07-01 to 2025-08-04, WN3320 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +41 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2160%
16-30 min720%
31-60 min411%
61-120 min39%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073165%+14 min
2025-08425%+33 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue560%
Wed580%
Thu520%
Fri580%
Sat540%
Sun560%

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