United Airlines flights from Knoxville (TYS) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 08:55 Knoxville (TYS) 10:35 Denver (DEN)
United Airlines UA 647 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2026-02-04
Sat 16:18 Knoxville (TYS) 17:44 Denver (DEN)
United Airlines UA 696 Non-stop Airbus A319 (319) 3:26 Effective 2026-04-04 through 2026-04-25
Sat 16:25 Knoxville (TYS) 17:50 Denver (DEN)
United Airlines UA 696 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-05-02 through 2026-05-16
Daily 08:45 Knoxville (TYS) 10:10 Denver (DEN)
United Airlines UA 1256 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-04-30 through 2026-05-20
Daily 08:45 Knoxville (TYS) 10:03 Denver (DEN)
United Airlines UA 1256 Non-stop Boeing 737-800 (738) 3:18 Effective from 2026-05-21
Mon-Fri,Sun 16:18 Knoxville (TYS) 17:44 Denver (DEN)
United Airlines UA 1303 Non-stop Airbus A319 (319) 3:26 Effective 2026-03-29 through 2026-04-29
Mon-Fri,Sun 16:25 Knoxville (TYS) 17:50 Denver (DEN)
United Airlines UA 1303 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-04-30 through 2026-05-20
Daily 16:25 Knoxville (TYS) 17:43 Denver (DEN)
United Airlines UA 1303 Non-stop Boeing 737-800 (738) 3:18 Effective from 2026-05-21
Daily 16:18 Knoxville (TYS) 17:59 Denver (DEN)
United Airlines UA 2104 Non-stop Airbus A319 (319) 3:41 Effective 2026-03-05 through 2026-03-28
Daily 16:15 Knoxville (TYS) 18:05 Denver (DEN)
United Airlines UA 5308 Non-stop Embraer EMB 175 (E7W) 3:50 Effective 2026-02-12 through 2026-03-04
Daily 16:04 Knoxville (TYS) 17:49 Denver (DEN)
United Airlines UA 5591 Non-stop Embraer EMB 175 (E7W) 3:45 Valid until 2026-01-05
Daily 08:15 Knoxville (TYS) 09:53 Denver (DEN)
United Airlines UA 5673 Non-stop Embraer EMB 175 (E7W) 3:38 Effective 2026-03-29 through 2026-04-29
Daily 08:40 Knoxville (TYS) 10:24 Denver (DEN)
United Airlines UA 5673 Non-stop Embraer EMB 175 (E7W) 3:44 Valid until 2026-01-05
Daily 08:40 Knoxville (TYS) 10:30 Denver (DEN)
United Airlines UA 5673 Non-stop Embraer EMB 175 (E7W) 3:50 Effective 2026-03-05 through 2026-03-28
Daily 08:45 Knoxville (TYS) 10:34 Denver (DEN)
United Airlines UA 5673 Non-stop Embraer EMB 175 (E7W) 3:49 Effective 2026-01-06 through 2026-02-03
Daily 08:45 Knoxville (TYS) 10:34 Denver (DEN)
United Airlines UA 5673 Non-stop Embraer EMB 175 (E7W) 3:49 Effective 2026-02-05 through 2026-02-11
Daily 08:45 Knoxville (TYS) 10:35 Denver (DEN)
United Airlines UA 5673 Non-stop Embraer EMB 175 (E7W) 3:50 Effective 2026-02-12 through 2026-03-04
Daily 16:25 Knoxville (TYS) 18:15 Denver (DEN)
United Airlines UA 5764 Non-stop Embraer EMB 175 (E7W) 3:50 Effective 2026-01-06 through 2026-02-11




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United Airlines flights from Knoxville (TYS) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA647
08:55
Knoxville (TYS)

10:35
Denver (DEN)
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA696
16:18
Knoxville (TYS)

17:44
Denver (DEN)
Effective 2026-04-04 through 2026-04-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:26, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA696
16:25
Knoxville (TYS)

17:50
Denver (DEN)
Effective 2026-05-02 through 2026-05-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1256
08:45
Knoxville (TYS)

10:10
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1256
08:45
Knoxville (TYS)

10:03
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:18, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1303
16:18
Knoxville (TYS)

17:44
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:26, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1303
16:25
Knoxville (TYS)

17:50
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1303
16:25
Knoxville (TYS)

17:43
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:18, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2104
16:18
Knoxville (TYS)

17:59
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:41, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA5308
16:15
Knoxville (TYS)

18:05
Denver (DEN)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:50, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5591
16:04
Knoxville (TYS)

17:49
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:45, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5673
08:15
Knoxville (TYS)

09:53
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5673
08:40
Knoxville (TYS)

10:24
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5673
08:40
Knoxville (TYS)

10:30
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:50, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5673
08:45
Knoxville (TYS)

10:34
Denver (DEN)
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:49, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5673
08:45
Knoxville (TYS)

10:34
Denver (DEN)
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:49, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5673
08:45
Knoxville (TYS)

10:35
Denver (DEN)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:50, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5764
16:25
Knoxville (TYS)

18:15
Denver (DEN)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:50, non-stop
Embraer EMB 175 (E7W)
  • A domestic route departing from the Knoxville airport (TYS) and arriving at Denver airport (DEN).
  • The flight distance is 1159 miles, or 1865 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:18 and 3:50.
All TYS-DEN flights
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