How often are IAH to DTW flights on time?

Flights from Houston (IAH) to Detroit (DTW) arrive on time 86% of the time across 17,570 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 87% across 8,588 flights.

Route reliability

Flights from Houston to Detroit arrive on time 86% of the time across 17,570 flights. Here’s how each airline really performs.

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On-time rate

17,570 flights

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

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

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