How often are STL to CLT flights on time?

Flights from St. Louis (STL) to Charlotte (CLT) arrive on time 86% of the time across 12,643 flights of official data.

Which airline is most reliable on the STL to CLT route?

American Airlines has the best on-time record on this route at 87% across 10,861 flights.

Route reliability

Flights from St. Louis to Charlotte arrive on time 86% of the time across 12,643 flights. Here’s how each airline really performs.

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On-time rate

12,643 flights

Airline	On-time	Flights
American Airlines	87%	10,861
Southwest Airlines	79%	1,782

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg CLT → STL.

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Score real STL–CLT flights on reliability, weather, and connection safety — not just price.

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