SDF (Louisville) to PHL (Philadelphia) flights arrive on time 86% of the time. The most reliable airline on this route is Republic Airways at 90%. The average delay is 97 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.SDF → PHL
SDF (Louisville) to PHL (Philadelphia)
SDF → PHL on-time performance by month
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This route is usually on time. About 86% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Republic Airways edges out PSA Airlines on this route — 90% vs 78% on time.
Airline Comparison
Republic Airways leads at 90% on time; PSA Airlines trails at 78%.
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 ~24 min. Best time: 4 AM (about 5 min).
Arriving at PHL
77% on timeWhen flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.
If connecting at PHL: TSA is ~17 min right now. Allow at least 60 minutes for a domestic connection.
PHL has a 2.1% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
Flying out of SDF? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.