How often are IAH to DFW flights on time?

Flights from Houston (IAH) to Dallas-Fort Worth (DFW) arrive on time 82% of the time across 37,063 flights of official data.

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

Spirit Airlines has the best on-time record on this route at 97% across 196 flights.

Route reliability

Flights from Houston to Dallas-Fort Worth arrive on time 82% of the time across 37,063 flights. Here’s how each airline really performs.

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On-time rate

37,063 flights

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

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Nonstop vs. Connecting Flights: The Reliability Trade-off

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Do Morning Flights Really Have Fewer Delays?

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Are Some Airlines Really More Reliable Than Others?

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

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