How often are CLT to STL flights on time?

Flights from Charlotte (CLT) to St. Louis (STL) arrive on time 82% of the time across 12,647 flights of official data.

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

Southwest Airlines has the best on-time record on this route at 83% across 1,787 flights.

Route reliability

Flights from Charlotte to St. Louis arrive on time 82% of the time across 12,647 flights. Here’s how each airline really performs.

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On-time rate

12,647 flights

Airline	On-time	Flights
Southwest Airlines	83%	1,787
American Airlines	82%	10,860

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

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

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