WN2477 MCI → STL

Southwest Airlines · Kansas City, MO to St. Louis, MO · 39 flights observed, 2025-11-02 to 2026-01-05 · 237 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 50% on Sundays.

WN2477 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
82%
Median delay
-9 min
90th percentile
+21 min
Cancellation rate
0%

How often is WN2477 on time?

Across 39 flights on MCI → STL from 2025-11-02 to 2026-01-05, WN2477 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +21 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3282%
16-30 min513%
31-60 min13%
61-120 min00%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112181%+2 min
2025-121681%-4 min
2026-012100%-13 min

Performance by day of week

DayFlightsOn-time
Mon771%
Tue6100%
Wed6100%
Thu875%
Fri6100%
SatNo data—
Sun650%

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