How often are DTW to MDW flights on time?

Flights from Detroit (DTW) to Chicago (MDW) arrive on time 86% of the time across 12,465 flights of official data.

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

Southwest Airlines has the best on-time record on this route at 87% across 6,845 flights.

Route reliability

Flights from Detroit to Chicago arrive on time 86% of the time across 12,465 flights. Here’s how each airline really performs.

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On-time rate

12,465 flights

Airline	On-time	Flights
Southwest Airlines	87%	6,845
Delta Air Lines	84%	5,620

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

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