United Airlines flights from Knoxville (TYS) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Tue 11:10 Knoxville (TYS) 12:03 Chicago O'Hare (ORD) 1 United Airlines UA 1155 Non-stop Airbus A319 (319) 1:53 Operates only on 2026-01-06
Wed 11:10 Knoxville (TYS) 12:05 Chicago O'Hare (ORD) 1 United Airlines UA 1155 Non-stop Airbus A320 (320) 1:55 Operates only on 2026-01-07
Tue,Wed 11:10 Knoxville (TYS) 12:05 Chicago O'Hare (ORD) 1 United Airlines UA 1155 Non-stop Airbus A319 (319) 1:55 Effective 2026-01-13 through 2026-02-11
Daily 07:00 Knoxville (TYS) 08:00 Chicago O'Hare (ORD) 1 United Airlines UA 1856 Non-stop Boeing 737-700 (73G) 2:00 Effective 2026-03-05 through 2026-03-28
Daily 07:00 Knoxville (TYS) 07:55 Chicago O'Hare (ORD) 1 United Airlines UA 1856 Non-stop Airbus A319 (319) 1:55 Effective 2026-03-29 through 2026-05-20
Mon,Thu-Sun 06:45 Knoxville (TYS) 07:48 Chicago O'Hare (ORD) 1 United Airlines UA 2213 Non-stop Airbus A319 (319) 2:03 Effective 2026-01-08 through 2026-01-16
Thu,Sat 06:45 Knoxville (TYS) 07:48 Chicago O'Hare (ORD) 1 United Airlines UA 2213 Non-stop Airbus A320 (320) 2:03 Effective 2026-01-17 through 2026-01-22
Mon,Fri-Sun 06:45 Knoxville (TYS) 07:48 Chicago O'Hare (ORD) 1 United Airlines UA 2213 Non-stop Airbus A319 (319) 2:03 Effective 2026-01-18 through 2026-01-26
Mon,Thu-Sun 06:45 Knoxville (TYS) 07:48 Chicago O'Hare (ORD) 1 United Airlines UA 2213 Non-stop Airbus A319 (319) 2:03 Effective 2026-01-29 through 2026-02-09
Daily 06:45 Knoxville (TYS) 07:47 Chicago O'Hare (ORD) 1 United Airlines UA 2213 Non-stop Airbus A319 (319) 2:02 Effective 2026-02-12 through 2026-03-04
Wed,Sat 11:00 Knoxville (TYS) 12:01 Chicago O'Hare (ORD) 2 United Airlines UA 3462 Non-stop Embraer EMB 175 (E7W) 2:01 Valid until 2026-01-03
Sat 19:01 Knoxville (TYS) 20:05 Chicago O'Hare (ORD) 2 United Airlines UA 4435 Non-stop Canadair CRJ 550 (CR5) 2:04 Operates only on 2026-03-07
Sat 19:11 Knoxville (TYS) 20:15 Chicago O'Hare (ORD) 2 United Airlines UA 4435 Non-stop Canadair CRJ 550 (CR5) 2:04 Operates only on 2026-03-28
Thu,Fri 19:16 Knoxville (TYS) 20:20 Chicago O'Hare (ORD) 2 United Airlines UA 4435 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-03-05 through 2026-03-06
Daily 19:16 Knoxville (TYS) 20:20 Chicago O'Hare (ORD) 2 United Airlines UA 4435 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-03-08 through 2026-03-27
Daily 13:53 Knoxville (TYS) 14:55 Chicago O'Hare (ORD) 2 United Airlines UA 4514 Non-stop Canadair CRJ 550 (CR5) 2:02 Effective 2026-03-05 through 2026-03-28
Daily 13:55 Knoxville (TYS) 14:59 Chicago O'Hare (ORD) 2 United Airlines UA 4514 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-02-12 through 2026-03-04
Daily 13:59 Knoxville (TYS) 14:55 Chicago O'Hare (ORD) 2 United Airlines UA 4514 Non-stop Canadair CRJ 550 (CR5) 1:56 Effective 2026-01-06 through 2026-02-11
Mon,Thu-Sun 11:07 Knoxville (TYS) 12:05 Chicago O'Hare (ORD) 2 United Airlines UA 4529 Non-stop Canadair CRJ 550 (CR5) 1:58 Effective 2026-01-08 through 2026-02-09
Daily 13:53 Knoxville (TYS) 14:55 Chicago O'Hare (ORD) 2 United Airlines UA 4530 Non-stop Canadair CRJ 550 (CR5) 2:02 Effective 2026-03-29 through 2026-05-20
Mon,Tue,Thu-Sun 17:35 Knoxville (TYS) 18:33 Chicago O'Hare (ORD) 2 United Airlines UA 4532 Non-stop Canadair CRJ 550 (CR5) 1:58 Valid until 2026-01-05
Mon,Thu,Fri,Sun 17:27 Knoxville (TYS) 18:31 Chicago O'Hare (ORD) 2 United Airlines UA 4540 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-02-12 through 2026-03-02
Daily 17:39 Knoxville (TYS) 18:46 Chicago O'Hare (ORD) 2 United Airlines UA 4548 Non-stop Canadair CRJ 550 (CR5) 2:07 Effective from 2026-05-21
Daily 17:50 Knoxville (TYS) 18:52 Chicago O'Hare (ORD) 2 United Airlines UA 4548 Non-stop Canadair CRJ 550 (CR5) 2:02 Effective 2026-04-30 through 2026-05-20
Daily 19:00 Knoxville (TYS) 20:02 Chicago O'Hare (ORD) 2 United Airlines UA 4548 Non-stop Canadair CRJ 550 (CR5) 2:02 Effective 2026-03-29 through 2026-04-29
Daily 06:45 Knoxville (TYS) 07:52 Chicago O'Hare (ORD) 2 United Airlines UA 4553 Non-stop Canadair CRJ 550 (CR5) 2:07 Valid until 2026-01-05
Mon,Tue,Fri,Sun 11:00 Knoxville (TYS) 11:58 Chicago O'Hare (ORD) 2 United Airlines UA 4605 Non-stop Canadair CRJ 550 (CR5) 1:58 Valid until 2026-01-05
Daily 07:00 Knoxville (TYS) 07:55 Chicago O'Hare (ORD) 2 United Airlines UA 4680 Non-stop Embraer EMB 175 (E7W) 1:55 Effective from 2026-05-21
Mon-Fri,Sun 17:29 Knoxville (TYS) 18:27 Chicago O'Hare (ORD) 2 United Airlines UA 5785 Non-stop Canadair CRJ 550 (CR5) 1:58 Effective 2026-01-06 through 2026-02-02
Tue 17:29 Knoxville (TYS) 18:30 Chicago O'Hare (ORD) 2 United Airlines UA 5785 Non-stop Embraer EMB 175 (E7W) 2:01 Operates only on 2026-02-03
Mon-Fri,Sun 17:29 Knoxville (TYS) 18:27 Chicago O'Hare (ORD) 2 United Airlines UA 5785 Non-stop Canadair CRJ 550 (CR5) 1:58 Effective 2026-02-04 through 2026-02-11
Daily 14:00 Knoxville (TYS) 14:55 Chicago O'Hare (ORD) 2 United Airlines UA 5844 Non-stop Embraer EMB 175 (E7W) 1:55 Effective from 2026-05-21
Daily 08:26 Knoxville (TYS) 09:23 Chicago O'Hare (ORD) 2 United Airlines UA 5876 Non-stop Canadair CRJ 550 (CR5) 1:57 Effective from 2026-10-25
Daily 10:49 Knoxville (TYS) 11:53 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Embraer EMB 175 (E7W) 2:04 Effective 2026-04-30 through 2026-05-20
Daily 10:50 Knoxville (TYS) 11:54 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Embraer EMB 175 (E7W) 2:04 Effective 2026-03-29 through 2026-04-29
Daily 10:50 Knoxville (TYS) 11:47 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Canadair CRJ 550 (CR5) 1:57 Effective from 2026-05-21
Mon-Fri,Sun 10:53 Knoxville (TYS) 12:00 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Canadair CRJ (CRJ) 2:07 Effective 2026-02-24 through 2026-03-04
Daily 10:55 Knoxville (TYS) 11:59 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-02-12 through 2026-02-23
Thu-Sat 10:55 Knoxville (TYS) 11:59 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-02-28 through 2026-03-06
Mon-Fri,Sun 10:55 Knoxville (TYS) 11:59 Chicago O'Hare (ORD) 2 United Airlines UA 5921 Non-stop Canadair CRJ 550 (CR5) 2:04 Effective 2026-03-08 through 2026-03-27

A domestic route departing from the Knoxville airport (TYS) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 475 miles, or 764 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 1:53 and 2:07.

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA1155

11:10

Knoxville (TYS)

12:03

Chicago O'Hare (ORD) 1

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:53, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1155

11:10

Knoxville (TYS)

12:05

Chicago O'Hare (ORD) 1

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1155

11:10

Knoxville (TYS)

12:05

Chicago O'Hare (ORD) 1

Effective 2026-01-13 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1856

07:00

Knoxville (TYS)

08:00

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA1856

07:00

Knoxville (TYS)

07:55

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2213

06:45

Knoxville (TYS)

07:48

Chicago O'Hare (ORD) 1

Effective 2026-01-08 through 2026-01-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2213

06:45

Knoxville (TYS)

07:48

Chicago O'Hare (ORD) 1

Effective 2026-01-17 through 2026-01-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 2:03, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2213

06:45

Knoxville (TYS)

07:48

Chicago O'Hare (ORD) 1

Effective 2026-01-18 through 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2213

06:45

Knoxville (TYS)

07:48

Chicago O'Hare (ORD) 1

Effective 2026-01-29 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2213

06:45

Knoxville (TYS)

07:47

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:02, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA3462

11:00

Knoxville (TYS)

12:01

Chicago O'Hare (ORD) 2

Valid until 2026-01-03

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:01, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA4435

19:01

Knoxville (TYS)

20:05

Chicago O'Hare (ORD) 2

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4435

19:11

Knoxville (TYS)

20:15

Chicago O'Hare (ORD) 2

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4435

19:16

Knoxville (TYS)

20:20

Chicago O'Hare (ORD) 2

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4435

19:16

Knoxville (TYS)

20:20

Chicago O'Hare (ORD) 2

Effective 2026-03-08 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4514

13:53

Knoxville (TYS)

14:55

Chicago O'Hare (ORD) 2

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:02, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4514

13:55

Knoxville (TYS)

14:59

Chicago O'Hare (ORD) 2

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4514

13:59

Knoxville (TYS)

14:55

Chicago O'Hare (ORD) 2

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:56, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4529

11:07

Knoxville (TYS)

12:05

Chicago O'Hare (ORD) 2

Effective 2026-01-08 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:58, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4530

13:53

Knoxville (TYS)

14:55

Chicago O'Hare (ORD) 2

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:02, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4532

17:35

Knoxville (TYS)

18:33

Chicago O'Hare (ORD) 2

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:58, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4540

17:27

Knoxville (TYS)

18:31

Chicago O'Hare (ORD) 2

Effective 2026-02-12 through 2026-03-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4548

17:39

Knoxville (TYS)

18:46

Chicago O'Hare (ORD) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:07, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4548

17:50

Knoxville (TYS)

18:52

Chicago O'Hare (ORD) 2

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:02, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4548

19:00

Knoxville (TYS)

20:02

Chicago O'Hare (ORD) 2

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:02, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4553

06:45

Knoxville (TYS)

07:52

Chicago O'Hare (ORD) 2

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:07, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4605

11:00

Knoxville (TYS)

11:58

Chicago O'Hare (ORD) 2

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:58, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4680

07:00

Knoxville (TYS)

07:55

Chicago O'Hare (ORD) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5785

17:29

Knoxville (TYS)

18:27

Chicago O'Hare (ORD) 2

Effective 2026-01-06 through 2026-02-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:58, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5785

17:29

Knoxville (TYS)

18:30

Chicago O'Hare (ORD) 2

Operates only on 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:01, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5785

17:29

Knoxville (TYS)

18:27

Chicago O'Hare (ORD) 2

Effective 2026-02-04 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:58, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5844

14:00

Knoxville (TYS)

14:55

Chicago O'Hare (ORD) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5876

08:26

Knoxville (TYS)

09:23

Chicago O'Hare (ORD) 2

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5921

10:49

Knoxville (TYS)

11:53

Chicago O'Hare (ORD) 2

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5921

10:50

Knoxville (TYS)

11:54

Chicago O'Hare (ORD) 2

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5921

10:50

Knoxville (TYS)

11:47

Chicago O'Hare (ORD) 2

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5921

10:53

Knoxville (TYS)

12:00

Chicago O'Hare (ORD) 2

Effective 2026-02-24 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:07, non-stop
Canadair CRJ (CRJ)

Direct Flights:

United Airlines UA5921

10:55

Knoxville (TYS)

11:59

Chicago O'Hare (ORD) 2

Effective 2026-02-12 through 2026-02-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5921

10:55

Knoxville (TYS)

11:59

Chicago O'Hare (ORD) 2

Effective 2026-02-28 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5921

10:55

Knoxville (TYS)

11:59

Chicago O'Hare (ORD) 2

Effective 2026-03-08 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)

A domestic route departing from the Knoxville airport (TYS) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 475 miles, or 764 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 1:53 and 2:07.

All TYS-ORD flights

All United Airlines flights

Return (ORD-TYS) flights

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