Southwest Airlines is the most reliable airline on the STL to MYR route with a 67% on-time rate. Based on 129 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: STL to MYR
St. Louis to Myrtle Beach — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines67%
STL to MYR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 67% | 1.1% | 41m | 129 |
Route Overview
62%
Overall On-Time
46m
Avg Delay
0.8%
Cancel Rate
129
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.