Which airline is most reliable for IAH (Houston) to DFW (Dallas)?

We don't have enough airline-level data for the IAH to DFW route yet.

How often are flights delayed from IAH to DFW?

About 23% of flights from IAH to DFW experience delays. 77% arrive on time.

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

When flights from IAH to DFW are delayed, the average delay is approximately 47 minutes.

IAH → DFW

IAH (Houston) to DFW (Dallas)

IAH (Houston) to DFW (Dallas) flights arrive on time 77% of the time. The average delay is 47 minutes. Delays on this route are most often caused by weather.

Source: Bureau of Transportation Statistics. Updated March 2026.

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IAH → DFW on-time performance by month

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This route is on time most of the time. About 77% of flights arrive on schedule.

Delays on this route are most often caused by weather.

IAH Airport DFW Airport

Check the return: DFW → IAH

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