All airlines flying from Knoxville (TYS) to Dulles, Washington (IAD).

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FLIGHT SCHEDULE
Direct Flights:
Mon,Fri 12:45 Knoxville (TYS) 14:23 Dulles, Washington (IAD) Allegiant Air G4 1397 Non-stop Airbus A320 (320) 1:38 Effective 2025-05-23 through 2025-09-01
Fri 18:12 Knoxville (TYS) 19:56 Dulles, Washington (IAD) Allegiant Air G4 1411 Non-stop Airbus A320 (320) 1:44 Operates only on 2025-11-07
Fri 18:42 Knoxville (TYS) 20:26 Dulles, Washington (IAD) Allegiant Air G4 1411 Non-stop Airbus A320 (320) 1:44 Operates only on 2025-11-14
Mon 19:00 Knoxville (TYS) 20:44 Dulles, Washington (IAD) Allegiant Air G4 1411 Non-stop Airbus A320 (320) 1:44 Effective 2025-09-08 through 2025-09-29
Fri 19:02 Knoxville (TYS) 20:46 Dulles, Washington (IAD) Allegiant Air G4 1434 Non-stop Airbus A320 (320) 1:44 Effective 2025-10-03 through 2025-10-17
Fri 10:00 Knoxville (TYS) 11:44 Dulles, Washington (IAD) Allegiant Air G4 1437 Non-stop Airbus A320 (320) 1:44 Operates only on 2025-10-31
Fri 12:45 Knoxville (TYS) 14:29 Dulles, Washington (IAD) Allegiant Air G4 1437 Non-stop Airbus A320 (320) 1:44 Effective 2025-09-05 through 2025-09-12
Mon 19:02 Knoxville (TYS) 20:46 Dulles, Washington (IAD) Allegiant Air G4 3031 Non-stop Airbus A320 (320) 1:44 Effective 2025-10-06 through 2025-10-20
Fri 19:00 Knoxville (TYS) 20:44 Dulles, Washington (IAD) Allegiant Air G4 3033 Non-stop Airbus A320 (320) 1:44 Effective 2025-09-19 through 2025-09-26
Mon 17:22 Knoxville (TYS) 19:06 Dulles, Washington (IAD) Allegiant Air G4 3038 Non-stop Airbus A320 (320) 1:44 Operates only on 2025-11-10
Fri 17:59 Knoxville (TYS) 19:43 Dulles, Washington (IAD) Allegiant Air G4 3039 Non-stop Airbus A320 (320) 1:44 Operates only on 2025-10-24
Mon 11:00 Knoxville (TYS) 12:44 Dulles, Washington (IAD) Allegiant Air G4 3061 Non-stop Airbus A320 (320) 1:44 Effective 2025-10-27 through 2025-11-03
Mon 14:22 Knoxville (TYS) 16:06 Dulles, Washington (IAD) Allegiant Air G4 3061 Non-stop Airbus A320 (320) 1:44 Operates only on 2025-11-17
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
Direct Codeshare Flights:
Daily 05:45 Knoxville (TYS) 07:26 Dulles, Washington (IAD) Ethiopian Airlines ET 1379 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 4311)
Daily 05:45 Knoxville (TYS) 07:28 Dulles, Washington (IAD) Ethiopian Airlines ET 1379 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 4311)
Daily 05:50 Knoxville (TYS) 07:35 Dulles, Washington (IAD) Ethiopian Airlines ET 1379 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21 Codeshare flight, operated by United Airlines.(UA 4311)
Daily 05:50 Knoxville (TYS) 07:33 Dulles, Washington (IAD) Ethiopian Airlines ET 1379 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective from 2025-10-26 Codeshare flight, operated by United Airlines.(UA 4311)
Mon,Wed,Thu,Sat 14:20 Knoxville (TYS) 16:03 Dulles, Washington (IAD) Ethiopian Airlines ET 1379 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 4848)
Daily 05:45 Knoxville (TYS) 07:26 Dulles, Washington (IAD) Copa Airlines CM 1502 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 4311)
Daily 05:45 Knoxville (TYS) 07:28 Dulles, Washington (IAD) Copa Airlines CM 1502 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-09-08 Codeshare flight, operated by United Airlines.(UA 4311)
Mon,Wed-Sun 05:45 Knoxville (TYS) 07:28 Dulles, Washington (IAD) Copa Airlines CM 1502 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-09-10 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 4311)
Daily 05:50 Knoxville (TYS) 07:35 Dulles, Washington (IAD) Copa Airlines CM 1502 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21 Codeshare flight, operated by United Airlines.(UA 4311)
Daily 05:50 Knoxville (TYS) 07:33 Dulles, Washington (IAD) Copa Airlines CM 1502 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-10-26 through 2025-11-01 Codeshare flight, operated by United Airlines.(UA 4311)
Sat,Sun 18:58 Knoxville (TYS) 20:33 Dulles, Washington (IAD) Copa Airlines CM 2242 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-06-28 through 2025-08-17 Codeshare flight, operated by United Airlines.(UA 4324)
Daily 19:10 Knoxville (TYS) 20:53 Dulles, Washington (IAD) Copa Airlines CM 2242 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-10-26 through 2025-12-01 Codeshare flight, operated by United Airlines.(UA 4324)
Daily 19:10 Knoxville (TYS) 20:53 Dulles, Washington (IAD) Copa Airlines CM 2242 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-12-18 through 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4324)
Daily 19:25 Knoxville (TYS) 21:03 Dulles, Washington (IAD) Copa Airlines CM 2242 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2025-05-22 through 2025-06-25 Codeshare flight, operated by United Airlines.(UA 4324)
Daily 19:25 Knoxville (TYS) 21:08 Dulles, Washington (IAD) Copa Airlines CM 2242 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-09-03 Codeshare flight, operated by United Airlines.(UA 4324)
Mon-Wed,Fri,Sat 19:25 Knoxville (TYS) 21:08 Dulles, Washington (IAD) Copa Airlines CM 2242 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-09-05 through 2025-09-17 Codeshare flight, operated by United Airlines.(UA 4324)

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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.

Return (IAD-TYS) flights

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All airlines flying from Knoxville (TYS) to Dulles, Washington (IAD).

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FLIGHT SCHEDULE

Direct Flights:

Allegiant Air G41397

12:45

Knoxville (TYS)

14:23

Dulles, Washington (IAD)

Effective 2025-05-23 through 2025-09-01

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:38, non-stop
Airbus A320 (320)

Allegiant Air G41411

18:12

Knoxville (TYS)

19:56

Dulles, Washington (IAD)

Operates only on 2025-11-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G41411

18:42

Knoxville (TYS)

20:26

Dulles, Washington (IAD)

Operates only on 2025-11-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G41411

19:00

Knoxville (TYS)

20:44

Dulles, Washington (IAD)

Effective 2025-09-08 through 2025-09-29

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G41434

19:02

Knoxville (TYS)

20:46

Dulles, Washington (IAD)

Effective 2025-10-03 through 2025-10-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G41437

10:00

Knoxville (TYS)

11:44

Dulles, Washington (IAD)

Operates only on 2025-10-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G41437

12:45

Knoxville (TYS)

14:29

Dulles, Washington (IAD)

Effective 2025-09-05 through 2025-09-12

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G43031

19:02

Knoxville (TYS)

20:46

Dulles, Washington (IAD)

Effective 2025-10-06 through 2025-10-20

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G43033

19:00

Knoxville (TYS)

20:44

Dulles, Washington (IAD)

Effective 2025-09-19 through 2025-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G43038

17:22

Knoxville (TYS)

19:06

Dulles, Washington (IAD)

Operates only on 2025-11-10

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G43039

17:59

Knoxville (TYS)

19:43

Dulles, Washington (IAD)

Operates only on 2025-10-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G43061

11:00

Knoxville (TYS)

12:44

Dulles, Washington (IAD)

Effective 2025-10-27 through 2025-11-03

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

Allegiant Air G43061

14:22

Knoxville (TYS)

16:06

Dulles, Washington (IAD)

Operates only on 2025-11-17

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:44, non-stop
Airbus A320 (320)

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)

Direct Codeshare Flights:

Ethiopian Airlines ET1379

05:45

Knoxville (TYS)

07:26

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Ethiopian Airlines ET1379

05:45

Knoxville (TYS)

07:28

Dulles, Washington (IAD)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Ethiopian Airlines ET1379

05:50

Knoxville (TYS)

07:35

Dulles, Washington (IAD)

Valid until 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Ethiopian Airlines ET1379

05:50

Knoxville (TYS)

07:33

Dulles, Washington (IAD)

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Ethiopian Airlines ET1379

14:20

Knoxville (TYS)

16:03

Dulles, Washington (IAD)

Effective 2025-09-25 through 2025-10-25

Mon

Tue
-

Wed

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 4848)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM1502

05:45

Knoxville (TYS)

07:26

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM1502

05:45

Knoxville (TYS)

07:28

Dulles, Washington (IAD)

Effective 2025-08-19 through 2025-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM1502

05:45

Knoxville (TYS)

07:28

Dulles, Washington (IAD)

Effective 2025-09-10 through 2025-09-24

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM1502

05:50

Knoxville (TYS)

07:35

Dulles, Washington (IAD)

Valid until 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM1502

05:50

Knoxville (TYS)

07:33

Dulles, Washington (IAD)

Effective 2025-10-26 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4311)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM2242

18:58

Knoxville (TYS)

20:33

Dulles, Washington (IAD)

Effective 2025-06-28 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4324)

Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM2242

19:10

Knoxville (TYS)

20:53

Dulles, Washington (IAD)

Effective 2025-10-26 through 2025-12-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4324)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM2242

19:10

Knoxville (TYS)

20:53

Dulles, Washington (IAD)

Effective 2025-12-18 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4324)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM2242

19:25

Knoxville (TYS)

21:03

Dulles, Washington (IAD)

Effective 2025-05-22 through 2025-06-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4324)

Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM2242

19:25

Knoxville (TYS)

21:08

Dulles, Washington (IAD)

Effective 2025-08-19 through 2025-09-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4324)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Copa Airlines CM2242

19:25

Knoxville (TYS)

21:08

Dulles, Washington (IAD)

Effective 2025-09-05 through 2025-09-17

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 4324)

Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

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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.

Return (IAD-TYS) flights

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