Washington→LouisvilleNonstop Flight TimeDCA–SDF

Washington (Ronald Reagan Washington National Airport) to Louisville (Louisville Muhammad Ali International Airport).

Direct flights from DCA to SDF have an estimated flight time of about 1h 33m, based on the 472-mile great-circle distance. Our current captured departure sample includes 2-3/day across 1 captured airline, with American Airlines appearing most often in that sample. Captured departure times run from 07:34 to 19:45 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for DCA to SDF, last seen June 15, 2026. Frequency uses 20 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.