How often are BNA to MDW flights on time?

Flights from Nashville (BNA) to Chicago (MDW) arrive on time 84% of the time across 12,170 flights of official data.

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

Southwest Airlines has the best on-time record on this route at 84% across 12,170 flights.

Route reliability

Flights from Nashville to Chicago arrive on time 84% of the time across 12,170 flights. Here’s how each airline really performs.

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On-time rate

12,170 flights

Airline	On-time	Flights
Southwest Airlines	84%	12,170

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

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

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