Which airline is most reliable for IAH (Houston) to SNA (Santa Ana)?

The most reliable airline on the IAH to SNA route is United Airlines, with an on-time arrival rate of 83%.

How often are flights delayed from IAH to SNA?

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

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

When flights from IAH to SNA are delayed, the average delay is approximately 56 minutes.

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

With 82% of IAH to SNA flights arriving on time and an average delay of 56 minutes when late, a connection under 60 minutes at SNA is risky. We recommend at least 75-90 minutes for domestic connections after this route.

IAH → SNA

IAH (Houston) to SNA (Santa Ana)

IAH (Houston) to SNA (Santa Ana) flights arrive on time 82% of the time. The most reliable airline on this route is United Airlines at 83%. The average delay is 56 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated May 2026.

IAH → SNA on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

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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?

Good to know

Departing from IAH

80% on time

Expect ~18 min sitting on the taxiway after your gate pushes back. IAH has long runway queues.

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

More about IAH →

Arriving at SNA

82% on time

When flights into SNA are late, the average delay is 61 minutes. Build buffer if you have ground plans.

If connecting at SNA: TSA is ~17 min right now. Allow at least 60 minutes for a domestic connection.

More about SNA →Connection times at SNA →

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IAH Airport SNA Airport

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