EWR (Newark) to SDF (Louisville) flights arrive on time 83% of the time. The most reliable airline on this route is Republic Airways at 83%. The average delay is 75 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.EWR → SDF
EWR (Newark) to SDF (Louisville)
EWR → SDF 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 the incoming plane arriving late.
Accurate?
Republic Airways is significantly more reliable on this route at 83% on time vs Spirit Airlines at 56%.
Airline Comparison
Republic Airways leads at 83% on time; Spirit Airlines trails at 56%.
Accurate?
Good to know
Departing from EWR
77% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. EWR has long runway queues.
TSA is currently ~15 min. Best time: 4 AM (about 5 min).
EWR cancels 3.1% of flights — higher than average. Have a backup plan.
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 ~11 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.