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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 05:45 Knoxville (TYS) 07:26 Dulles, Washington (IAD)
United Airlines UA 4311 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-08-18
Daily 05:45 Knoxville (TYS) 07:28 Dulles, Washington (IAD)
United Airlines UA 4311 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-09-24
Daily 05:50 Knoxville (TYS) 07:35 Dulles, Washington (IAD)
United Airlines UA 4311 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21
Daily 05:50 Knoxville (TYS) 07:33 Dulles, Washington (IAD)
United Airlines UA 4311 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective from 2025-10-26
Sat,Sun 18:58 Knoxville (TYS) 20:33 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-06-28 through 2025-08-17
Daily 19:10 Knoxville (TYS) 20:53 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-10-26 through 2025-12-01
Daily 19:10 Knoxville (TYS) 20:53 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-12-18 through 2026-01-05
Daily 19:25 Knoxville (TYS) 21:03 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2025-05-22 through 2025-06-25
Daily 19:25 Knoxville (TYS) 21:08 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Mon-Fri 19:35 Knoxville (TYS) 21:10 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-06-26 through 2025-07-03
Mon-Fri 19:35 Knoxville (TYS) 21:10 Dulles, Washington (IAD)
United Airlines UA 4324 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-07-07 through 2025-08-18
Daily 09:55 Knoxville (TYS) 11:40 Dulles, Washington (IAD)
United Airlines UA 4325 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21
Daily 09:55 Knoxville (TYS) 11:36 Dulles, Washington (IAD)
United Airlines UA 4325 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-06-25
Daily 09:55 Knoxville (TYS) 11:35 Dulles, Washington (IAD)
United Airlines UA 4325 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2025-06-26 through 2025-08-18
Daily 09:55 Knoxville (TYS) 11:38 Dulles, Washington (IAD)
United Airlines UA 4325 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Daily 10:16 Knoxville (TYS) 11:41 Dulles, Washington (IAD)
United Airlines UA 4325 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:25 Effective from 2025-10-26
Daily 14:20 Knoxville (TYS) 16:05 Dulles, Washington (IAD)
United Airlines UA 4848 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21
Daily 14:20 Knoxville (TYS) 16:03 Dulles, Washington (IAD)
United Airlines UA 4848 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Daily 14:25 Knoxville (TYS) 16:06 Dulles, Washington (IAD)
United Airlines UA 4848 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-06-25
Daily 14:30 Knoxville (TYS) 16:06 Dulles, Washington (IAD)
United Airlines UA 4848 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2025-06-26 through 2025-08-18
Daily 14:55 Knoxville (TYS) 16:25 Dulles, Washington (IAD)
United Airlines UA 4848 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective from 2025-10-26




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United Airlines flights from Knoxville (TYS) to Dulles, Washington (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4311
05:45
Knoxville (TYS)

07:26
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4311
05:45
Knoxville (TYS)

07:28
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4311
05:50
Knoxville (TYS)

07:35
Dulles, Washington (IAD)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4311
05:50
Knoxville (TYS)

07:33
Dulles, Washington (IAD)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
18:58
Knoxville (TYS)

20:33
Dulles, Washington (IAD)
Effective 2025-06-28 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
19:10
Knoxville (TYS)

20:53
Dulles, Washington (IAD)
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
19:10
Knoxville (TYS)

20:53
Dulles, Washington (IAD)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
19:25
Knoxville (TYS)

21:03
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
19:25
Knoxville (TYS)

21:08
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
19:35
Knoxville (TYS)

21:10
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4324
19:35
Knoxville (TYS)

21:10
Dulles, Washington (IAD)
Effective 2025-07-07 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4325
09:55
Knoxville (TYS)

11:40
Dulles, Washington (IAD)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4325
09:55
Knoxville (TYS)

11:36
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4325
09:55
Knoxville (TYS)

11:35
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4325
09:55
Knoxville (TYS)

11:38
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4325
10:16
Knoxville (TYS)

11:41
Dulles, Washington (IAD)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4848
14:20
Knoxville (TYS)

16:05
Dulles, Washington (IAD)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4848
14:20
Knoxville (TYS)

16:03
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4848
14:25
Knoxville (TYS)

16:06
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4848
14:30
Knoxville (TYS)

16:06
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4848
14:55
Knoxville (TYS)

16:25
Dulles, Washington (IAD)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • A domestic route departing from the Knoxville airport (TYS) and arriving at Dulles, Washington airport (IAD).
  • 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 1:25 and 1:45.
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