SDF (Louisville) to ORD (Chicago) flights arrive on time 81% of the time. The most reliable airline on this route is Republic Airways at 85%. The average delay is 70 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.SDF → ORD
SDF (Louisville) to ORD (Chicago)
SDF → ORD on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Republic Airways edges out null on this route — 85% vs 74% on time.
Airline Comparison
Republic Airways leads at 85% on time; trails at 74%.
Accurate?
Good to know
Departing from SDF
81% on timeExpect ~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).
Arriving at ORD
80% on timeWhen flights into ORD are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at ORD: TSA is ~10 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.