SDF (Louisville) to ATL (Atlanta) flights arrive on time 89% of the time. The most reliable airline on this route is Southwest Airlines at 90%. The average delay is 82 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.SDF → ATL
SDF (Louisville) to ATL (Atlanta)
SDF → ATL on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 89% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Southwest Airlines edges out SkyWest Airlines on this route — 90% vs 80% on time.
Airline Comparison
Southwest Airlines leads at 90% on time; SkyWest Airlines trails at 80%.
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 ~15 min. Best time: 4 AM (about 5 min).
Arriving at ATL
83% on timeWhen flights into ATL are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~24 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.