PSA Airlines is the most reliable airline on the CLT to STL route with a 90% on-time rate, compared to American Airlines at 76%. Based on 91 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CLT to STL
Charlotte to St. Louis — airline reliability comparison
On-Time Rate by Airline
PSA Airlines90%
Southwest Airlines80%
American Airlines76%
CLT to STL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| PSA AirlinesOHBest | 90% | 5.5% | 80m | 91 |
| Southwest AirlinesWN | 80% | 0.3% | 60m | 1,136 |
| American AirlinesAAWorst | 76% | 1.2% | 68m | 5,632 |
Route Overview
77%
Overall On-Time
67m
Avg Delay
1.1%
Cancel Rate
6,901
Total Flights
Flying out of CLT? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.