ORD (Chicago) to SDF (Louisville) flights arrive on time 80% of the time. The most reliable airline on this route is Republic Airways at 81%. The average delay is 67 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.ORD → SDF
ORD (Chicago) to SDF (Louisville)
ORD → SDF on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Republic Airways edges out United Airlines on this route — 81% vs 72% on time.
Airline Comparison
Republic Airways leads at 81% on time; United Airlines trails at 72%.
Accurate?
Good to know
Departing from ORD
80% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. ORD has long runway queues.
TSA is currently ~34 min. Best time: 4 AM (about 5 min).
Arriving at SDF
81% on timeWhen flights into SDF are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at SDF: TSA is ~15 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.