WN527 STL → MCI

Southwest Airlines · St. Louis, MO to Kansas City, MO · 15 flights observed, 2025-08-09 to 2025-09-28 · 237 mi

WN527 covers more than one route in the data window — the stats below are for STL → MCI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-2 min
90th percentile
+17 min
Cancellation rate
0%

How often is WN527 on time?

Across 15 flights on STL → MCI from 2025-08-09 to 2025-09-28, WN527 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +17 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1387%
16-30 min17%
31-60 min17%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-08786%-1 min
2025-09888%-2 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
Sat8100%
Sun771%

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