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 August 2026.SDF → IAH
SDF (Louisville) to IAH (Houston)
SDF → IAH on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
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 timeExpect ~18 min sitting on the taxiway after your gate pushes back. SDF has long runway queues.
TSA is currently ~27 min. Best time: 4 AM (about 5 min).
Arriving at IAH
79% on timeWhen flights into IAH are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at IAH: TSA is ~12 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Flying out of SDF? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated August 2026. Source: Bureau of Transportation Statistics.