DCA (Washington) to SDF (Louisville) flights arrive on time 77% of the time. The most reliable airline on this route is null at 100%. 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.DCA → SDF
DCA (Washington) to SDF (Louisville)
DCA → SDF on-time performance by month
This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
null is significantly more reliable on this route at 100% on time vs PSA Airlines at 75%.
Airline Comparison
leads at 100% on time; PSA Airlines trails at 75%.
Good to know
Departing from DCA
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. DCA has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
DCA cancels 2.6% 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 ~5 min right now. Allow at least 60 minutes for a domestic connection.
Know before you go
Flying DCA → SDF? We'll brief you before takeoff.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.