Which airline is most reliable for OKC (Oklahoma City) to IAH (Houston)?

The most reliable airline on the OKC to IAH route is SkyWest Airlines, with an on-time arrival rate of 82%.

How often are flights delayed from OKC to IAH?

About 18% of flights from OKC to IAH experience delays. 82% arrive on time.

What's the average delay on OKC to IAH flights?

When flights from OKC to IAH are delayed, the average delay is approximately 81 minutes.

Is a short connection safe after a OKC to IAH flight?

With 82% of OKC to IAH flights arriving on time and an average delay of 81 minutes when late, a connection under 60 minutes at IAH is risky. We recommend at least 75-90 minutes for domestic connections after this route.

OKC → IAH

OKC (Oklahoma City) to IAH (Houston)

OKC (Oklahoma City) to IAH (Houston) flights arrive on time 82% of the time. The most reliable airline on this route is SkyWest Airlines at 82%. The average delay is 81 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

OKC → IAH on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 82% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Airlines are roughly equal on this route — SkyWest Airlines leads slightly at 82% vs United Airlines at 81%.

Airline Comparison

SkyWest Airlines leads at 82% on time; United Airlines trails at 81%.

Accurate?

Good to know

Departing from OKC

80% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. OKC has long runway queues.

TSA is currently ~27 min. Best time: 4 AM (about 5 min).

More about OKC →

Arriving at IAH

79% on time

When flights into IAH are late, the average delay is 76 minutes. Build buffer if you have ground plans.

If connecting at IAH: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.

More about IAH →Connection times at IAH →

Flight cancelled or delayed?

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Flying out of OKC? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

OKC Airport IAH Airport

Check the return: IAH → OKC

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Data last updated October 2026. Source: Bureau of Transportation Statistics.