How often are MDW to BWI flights on time?

Flights from Chicago (MDW) to Baltimore (BWI) arrive on time 83% of the time across 11,937 flights of official data.

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

Southwest Airlines has the best on-time record on this route at 83% across 11,638 flights.

Route reliability

Flights from Chicago to Baltimore arrive on time 83% of the time across 11,937 flights. Here’s how each airline really performs.

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On-time rate

11,937 flights

Airline	On-time	Flights
Southwest Airlines	83%	11,638
Frontier Airlines	80%	299

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

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

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