WN2478 STL → OKC

Southwest Airlines · St. Louis, MO to Oklahoma City, OK · 18 flights observed, 2025-11-22 to 2026-01-04 · 462 mi

WN2478 covers more than one route in the data window — the stats below are for STL → OKC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
0 min
90th percentile
+21 min
Cancellation rate
6%

How often is WN2478 on time?

Across 18 flights on STL → OKC from 2025-11-22 to 2026-01-04, WN2478 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +21 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1376%
16-30 min424%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-113100%-5 min
2025-121164%+7 min
2026-013100%-10 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue367%
Wed1100%
ThuNo data—
Fri367%
Sat4100%
Sun367%

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