How often are DFW to STL flights on time?

Flights from Dallas-Fort Worth (DFW) to St. Louis (STL) arrive on time 77% of the time across 14,226 flights of official data.

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

Frontier Airlines has the best on-time record on this route at 85% across 153 flights.

Route reliability

Flights from Dallas-Fort Worth to St. Louis arrive on time 77% of the time across 14,226 flights. Here’s how each airline really performs.

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On-time rate

14,226 flights

Airline	On-time	Flights
Frontier Airlines	85%	153
American Airlines	77%	14,073

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

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

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