Southwest Airlines is the most reliable airline on the OKC to STL route with a 88% on-time rate. Based on 2,177 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: OKC to STL
Oklahoma City to St. Louis — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines88%
OKC to STL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 88% | 0.9% | 49m | 2,177 |
Route Overview
88%
Overall On-Time
49m
Avg Delay
0.9%
Cancel Rate
2,178
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.