United Airlines flights from Denver (DEN) to Louisville (SDF).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:45 Denver (DEN) 22:24 Louisville (SDF)
United Airlines UA 231 Non-stop Airbus A320 (320) 2:39 Valid until 2026-01-05
Mon-Sat 17:52 Denver (DEN) 22:29 Louisville (SDF)
United Airlines UA 506 Non-stop Airbus A320 (320) 2:37 Effective 2026-03-05 through 2026-03-28
Sun 17:53 Denver (DEN) 22:30 Louisville (SDF)
United Airlines UA 506 Non-stop Airbus A320 (320) 2:37 Effective 2026-03-08 through 2026-03-22
Daily 17:25 Denver (DEN) 21:57 Louisville (SDF)
United Airlines UA 514 Non-stop Airbus A319 (319) 2:32 Effective from 2026-04-30
Daily 18:00 Denver (DEN) 22:37 Louisville (SDF)
United Airlines UA 1403 Non-stop Airbus A320 (320) 2:37 Effective 2026-02-12 through 2026-03-04
Daily 09:40 Denver (DEN) 14:19 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A320 (320) 2:39 Effective 2026-02-12 through 2026-03-04
Daily 09:40 Denver (DEN) 14:19 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A319 (319) 2:39 Effective 2026-03-05 through 2026-03-28
Daily 09:40 Denver (DEN) 14:26 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A320 (320) 2:46 Effective 2026-03-29 through 2026-04-29
Daily 09:41 Denver (DEN) 14:22 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A319 (319) 2:41 Valid until 2026-01-05
Daily 09:45 Denver (DEN) 14:26 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A319 (319) 2:41 Effective 2026-01-06 through 2026-02-03
Wed 09:45 Denver (DEN) 14:26 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A320 (320) 2:41 Operates only on 2026-02-04
Daily 09:45 Denver (DEN) 14:26 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A319 (319) 2:41 Effective 2026-02-05 through 2026-02-11
Daily 09:55 Denver (DEN) 14:27 Louisville (SDF)
United Airlines UA 1479 Non-stop Airbus A319 (319) 2:32 Effective from 2026-04-30
Daily 17:52 Denver (DEN) 22:32 Louisville (SDF)
United Airlines UA 1712 Non-stop Airbus A320 (320) 2:40 Effective 2026-03-29 through 2026-04-29
Daily 17:45 Denver (DEN) 22:24 Louisville (SDF)
United Airlines UA 1847 Non-stop Airbus A319 (319) 2:39 Effective 2026-01-06 through 2026-02-11




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United Airlines flights from Denver (DEN) to Louisville (SDF).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA231
17:45
Denver (DEN)

22:24
Louisville (SDF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA506
17:52
Denver (DEN)

22:29
Louisville (SDF)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:37, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA506
17:53
Denver (DEN)

22:30
Louisville (SDF)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:37, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA514
17:25
Denver (DEN)

21:57
Louisville (SDF)
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1403
18:00
Denver (DEN)

22:37
Louisville (SDF)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1479
09:40
Denver (DEN)

14:19
Louisville (SDF)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1479
09:40
Denver (DEN)

14:19
Louisville (SDF)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1479
09:40
Denver (DEN)

14:26
Louisville (SDF)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:46, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1479
09:41
Denver (DEN)

14:22
Louisville (SDF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1479
09:45
Denver (DEN)

14:26
Louisville (SDF)
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1479
09:45
Denver (DEN)

14:26
Louisville (SDF)
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:41, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1479
09:45
Denver (DEN)

14:26
Louisville (SDF)
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1479
09:55
Denver (DEN)

14:27
Louisville (SDF)
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1712
17:52
Denver (DEN)

22:32
Louisville (SDF)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1847
17:45
Denver (DEN)

22:24
Louisville (SDF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Airbus A319 (319)
  • A domestic route departing from the Denver airport (DEN) and arriving at Louisville airport (SDF).
  • The flight distance is 1021 miles, or 1642 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:32 and 2:46.
All DEN-SDF flights
All United Airlines flights
Return (SDF-DEN) flights
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