How often are OKC to IAH flights on time?

Flights from Oklahoma City (OKC) to Houston (IAH) arrive on time 88% of the time across 14,401 flights of official data.

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

United Airlines has the best on-time record on this route at 88% across 14,401 flights.

Route reliability

Flights from Oklahoma City to Houston arrive on time 88% of the time across 14,401 flights. Here’s how each airline really performs.

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On-time rate

14,401 flights

Airline	On-time	Flights
United Airlines	88%	14,401

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

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

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