How often are DCA to MDW flights on time?

Flights from Washington (DCA) to Chicago (MDW) arrive on time 84% of the time across 12,200 flights of official data.

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

Southwest Airlines has the best on-time record on this route at 84% across 12,200 flights.

Route reliability

Flights from Washington to Chicago arrive on time 84% of the time across 12,200 flights. Here’s how each airline really performs.

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On-time rate

12,200 flights

Airline	On-time	Flights
Southwest Airlines	84%	12,200

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

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

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