How long is the AS4389 flight?

The timetable allows 1 h 43 min. Louisville to Washington is 760 km (472 mi).

Which terminal does AS4389 use?

It usually leaves from gate B4 at Louisville International Airport (SDF) and arrives at Terminal 2 at Washington Ronald Reagan National Airport (DCA). Check the flight card above for today's terminal and gate.

What other flight numbers does AS4389 have?

Also listed as ASA4389 (Alaska Airlines' ICAO code) and AS 4389.

AS4389 Flight Status Alaska Airlines: Louisville to Washington (ASA4389)

AS 4389 Louisville to Washington Flight Status

Not scheduled today. Latest flight: August 4th, 2026 ; recent history is in the table below.

AS 4389 Flight Status & Schedule Alaska Airlines Louisville to Washington

Date	From	To	Departure	Arrival	Status	Details
Aug 04	SDF	DCA	14:01	15:44	Scheduled	Track >
Aug 03	SDF	DCA	14:16	15:59	Scheduled	Track >
Aug 02	SDF	DCA	14:18	15:59	Scheduled	Track >
Aug 01	SDF	DCA	09:52	11:38	Scheduled	Track >
Jul 31	SDF	DCA	15:14	16:51	Landed Late	Track >
Jul 31	SDF	DCA	09:59	11:18	Landed	Track >
Jul 30	SDF	DCA	14:16	15:59	Scheduled	Track >
Jul 29	SDF	DCA	14:37	15:49	Landed	Track >
Jul 28	SDF	DCA	15:26	16:40	Delayed	Track >
Jul 27	SDF	DCA	14:21	15:36	Landed	Track >

Alaska Airlines flight AS 4389 links Louisville and Washington, 760 km (472 mi) apart. The timetable allows 1 h 43 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight was scheduled on 4 August 2026.

< All Louisville SDF Departures All Washington DCA Arrivals >

About AS 4389

Route: Louisville International Airport SDF to Washington Ronald Reagan National Airport DCA
Distance: 760 km (472 mi)
Scheduled flight time: 1 h 43 min
Usually departs from: Gate B4

AS 4389 FAQ

How long is the AS4389 flight?: The timetable allows 1 h 43 min. Louisville to Washington is 760 km (472 mi).
Which terminal does AS4389 use?: It usually leaves from gate B4 at Louisville International Airport (SDF) and arrives at Terminal 2 at Washington Ronald Reagan National Airport (DCA). Check the flight card above for today's terminal and gate.
What other flight numbers does AS4389 have?: Also listed as ASA4389 (Alaska Airlines' ICAO code) and AS 4389.

AS4389 and Louisville SDF to Washington DCA Flights

Flight AS4389 is a code-share Alaska Airlines flight of the Republic Airlines operated YX4753.

Other flights departing from Louisville SDF: YX3694, YX4753, OO5603

Other flights arriving at Washington DCA: YX4753, AA2837, OH5126

All flights connecting Louisville SDF to Washington DCA.