WN2456 MCI → STL

Southwest Airlines · Kansas City, MO to St. Louis, MO · 18 flights observed, 2026-04-07 to 2026-06-03 · 237 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -3 min, while the worst 10% run +70 min or later.

WN2456 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
72%
Median delay
-3 min
90th percentile
+70 min
Cancellation rate
0%

How often is WN2456 on time?

Across 18 flights on MCI → STL from 2026-04-07 to 2026-06-03, WN2456 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +70 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1372%
16-30 min16%
31-60 min16%
61-120 min211%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2026-04875%+9 min
2026-05863%+28 min
2026-062100%-8 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue978%
Wed967%
ThuNo data—
FriNo data—
SatNo data—
SunNo data—

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