PSA Airlines is the most reliable airline on the STL to CLT route with a 86% on-time rate, compared to Southwest Airlines at 74%. Based on 91 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: STL to CLT
St. Louis to Charlotte — airline reliability comparison
On-Time Rate by Airline
PSA Airlines86%
American Airlines83%
Southwest Airlines74%
STL to CLT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| PSA AirlinesOHBest | 86% | 4.3% | 342m | 91 |
| American AirlinesAA | 83% | 1.2% | 115m | 5,633 |
| Southwest AirlinesWNWorst | 74% | 0.3% | 51m | 1,137 |
Route Overview
81%
Overall On-Time
101m
Avg Delay
1.1%
Cancel Rate
6,902
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.