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Flight Check

SDFIAH

SDF (Louisville) to IAH (Houston)

SDF (Louisville) to IAH (Houston) flights arrive on time 83% of the time. The average delay is 22 minutes. Delays on this route are most often caused by air traffic and busy airspace.

Source: Bureau of Transportation Statistics. Updated March 2026.

SDF → IAH on-time performance by month

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This route is on time most of the time. About 83% of flights arrive on schedule.

Delays on this route are most often caused by air traffic and busy airspace.

Accurate?

Good to know

Departing from SDF

81% on time

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

TSA is currently ~11 min. Best time: 4 AM (about 5 min).

More about SDF

Arriving at IAH

80% on time

When flights into IAH are late, the average delay is 75 minutes. Build buffer if you have ground plans.

If connecting at IAH: TSA is ~11 min right now. Allow at least 60 minutes for a domestic connection.

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