How often are IAH to BNA flights on time?

Flights from Houston (IAH) to Nashville (BNA) arrive on time 85% of the time across 15,025 flights of official data.

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

Southwest Airlines has the best on-time record on this route at 88% across 3,286 flights.

Route reliability

Flights from Houston to Nashville arrive on time 85% of the time across 15,025 flights. Here’s how each airline really performs.

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On-time rate

15,025 flights

Airline	On-time	Flights
Southwest Airlines	88%	3,286
United Airlines	85%	11,739

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

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

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