United Airlines flights from Dulles, Washington (IAD) to Knoxville (TYS).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:55 Dulles, Washington (IAD) 14:40 Knoxville (TYS)
United Airlines UA 4249 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2024-12-03 through 2024-12-18
Daily 08:15 Dulles, Washington (IAD) 10:07 Knoxville (TYS)
United Airlines UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:52 Effective 2025-01-07 through 2025-02-12
Daily 08:15 Dulles, Washington (IAD) 09:45 Knoxville (TYS)
United Airlines UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective from 2025-02-13
Daily 08:45 Dulles, Washington (IAD) 10:26 Knoxville (TYS)
United Airlines UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Valid until 2024-10-26
Daily 08:45 Dulles, Washington (IAD) 10:32 Knoxville (TYS)
United Airlines UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:47 Effective 2024-10-27 through 2024-12-18
Daily 08:45 Dulles, Washington (IAD) 10:39 Knoxville (TYS)
United Airlines UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:54 Effective 2024-12-19 through 2025-01-06
Daily 13:00 Dulles, Washington (IAD) 14:40 Knoxville (TYS)
United Airlines UA 4267 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2024-10-01 through 2024-10-26
Daily 13:02 Dulles, Washington (IAD) 14:42 Knoxville (TYS)
United Airlines UA 4282 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective from 2025-01-07
Daily 22:05 Dulles, Washington (IAD) 23:40 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2024-09-26 through 2024-10-26
Daily 22:05 Dulles, Washington (IAD) 23:42 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:37 Effective from 2025-02-13
Daily 22:14 Dulles, Washington (IAD) 23:50 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Valid until 2024-09-25
Mon,Thu,Sun 22:14 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2024-10-27 through 2024-11-03
Mon,Thu,Fri,Sun 22:14 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2024-11-07 through 2024-11-22
Tue,Wed,Fri-Sun 22:14 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2024-11-23 through 2024-12-01
Mon 22:14 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Operates only on 2024-12-02
Mon,Wed-Sun 22:14 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
United Airlines UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2024-12-19 through 2025-01-06
Daily 13:00 Dulles, Washington (IAD) 14:40 Knoxville (TYS)
United Airlines UA 4314 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Valid until 2024-09-30
Daily 12:55 Dulles, Washington (IAD) 14:43 Knoxville (TYS)
United Airlines UA 4822 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2024-12-19 through 2025-01-06
Daily 12:55 Dulles, Washington (IAD) 14:40 Knoxville (TYS)
United Airlines UA 4883 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Effective 2024-10-27 through 2024-12-02
Daily 17:15 Dulles, Washington (IAD) 19:06 Knoxville (TYS)
United Airlines UA 4914 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:51 Effective 2025-01-07 through 2025-02-12
Daily 17:15 Dulles, Washington (IAD) 18:42 Knoxville (TYS)
United Airlines UA 4914 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:27 Effective from 2025-02-13
Daily 17:30 Dulles, Washington (IAD) 19:22 Knoxville (TYS)
United Airlines UA 4914 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:52 Effective 2024-12-19 through 2025-01-06
Daily 17:45 Dulles, Washington (IAD) 19:30 Knoxville (TYS)
United Airlines UA 4914 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2024-12-18




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United Airlines flights from Dulles, Washington (IAD) to Knoxville (TYS).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4249
12:55
Dulles, Washington (IAD)

14:40
Knoxville (TYS)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4257
08:15
Dulles, Washington (IAD)

10:07
Knoxville (TYS)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4257
08:15
Dulles, Washington (IAD)

09:45
Knoxville (TYS)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4257
08:45
Dulles, Washington (IAD)

10:26
Knoxville (TYS)
Valid until 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4257
08:45
Dulles, Washington (IAD)

10:32
Knoxville (TYS)
Effective 2024-10-27 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4257
08:45
Dulles, Washington (IAD)

10:39
Knoxville (TYS)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4267
13:00
Dulles, Washington (IAD)

14:40
Knoxville (TYS)
Effective 2024-10-01 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4282
13:02
Dulles, Washington (IAD)

14:42
Knoxville (TYS)
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:05
Dulles, Washington (IAD)

23:40
Knoxville (TYS)
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:05
Dulles, Washington (IAD)

23:42
Knoxville (TYS)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:14
Dulles, Washington (IAD)

23:50
Knoxville (TYS)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:14
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Effective 2024-10-27 through 2024-11-03
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:14
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Effective 2024-11-07 through 2024-11-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:14
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Effective 2024-11-23 through 2024-12-01
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:14
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Operates only on 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:14
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4314
13:00
Dulles, Washington (IAD)

14:40
Knoxville (TYS)
Valid until 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4822
12:55
Dulles, Washington (IAD)

14:43
Knoxville (TYS)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4883
12:55
Dulles, Washington (IAD)

14:40
Knoxville (TYS)
Effective 2024-10-27 through 2024-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4914
17:15
Dulles, Washington (IAD)

19:06
Knoxville (TYS)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4914
17:15
Dulles, Washington (IAD)

18:42
Knoxville (TYS)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4914
17:30
Dulles, Washington (IAD)

19:22
Knoxville (TYS)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4914
17:45
Dulles, Washington (IAD)

19:30
Knoxville (TYS)
Valid until 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • A domestic route departing from the Dulles, Washington airport (IAD) and arriving at Knoxville airport (TYS).
  • The flight distance is 419 miles, or 675 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:27 and 1:54.
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