How often are MDW to DEN flights on time?

Flights from Chicago (MDW) to Denver (DEN) arrive on time 83% of the time across 18,472 flights of official data.

Which airline is most reliable on the MDW to DEN route?

Southwest Airlines has the best on-time record on this route at 83% across 17,020 flights.

Route reliability

Flights from Chicago to Denver arrive on time 83% of the time across 18,472 flights. Here’s how each airline really performs.

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On-time rate

18,472 flights

Airline	On-time	Flights
Southwest Airlines	83%	17,020
Frontier Airlines	81%	1,452

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

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