Southwest Airlines is the most reliable airline on the STL to OKC route with a 79% on-time rate. Based on 2,177 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: STL to OKC
St. Louis to Oklahoma City — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
STL to OKC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 1.0% | 48m | 2,177 |
Route Overview
79%
Overall On-Time
48m
Avg Delay
1%
Cancel Rate
2,178
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.