United Airlines flights from Chattanooga (CHA) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 06:45 Chattanooga (CHA) 07:52 Chicago O'Hare (ORD) 2 United Airlines UA 3425 Non-stop Embraer EMB 175 (E7W) 2:07 Effective 2024-10-28 through 2024-12-02
Sun 06:45 Chattanooga (CHA) 07:52 Chicago O'Hare (ORD) 2 United Airlines UA 3425 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:07 Effective 2024-11-03 through 2024-12-01
Daily 06:45 Chattanooga (CHA) 07:52 Chicago O'Hare (ORD) 2 United Airlines UA 3427 Non-stop Embraer EMB 175 (E7W) 2:07 Effective 2024-12-03 through 2024-12-18
Daily 06:45 Chattanooga (CHA) 07:57 Chicago O'Hare (ORD) 2 United Airlines UA 3436 Non-stop Embraer EMB 175 (E7W) 2:12 Effective 2025-01-07 through 2025-02-12
Daily 17:39 Chattanooga (CHA) 18:53 Chicago O'Hare (ORD) 2 United Airlines UA 3436 Non-stop Embraer EMB 175 (E7W) 2:14 Effective 2024-12-03 through 2024-12-18
Daily 12:44 Chattanooga (CHA) 13:49 Chicago O'Hare (ORD) 2 United Airlines UA 3442 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2025-01-07 through 2025-02-12
Daily 17:10 Chattanooga (CHA) 18:15 Chicago O'Hare (ORD) 2 United Airlines UA 3458 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2025-01-07 through 2025-02-12
Sat 21:42 Chattanooga (CHA) 22:56 Chicago O'Hare (ORD) 2 United Airlines UA 3578 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:14 Operates only on 2024-11-30
Sun 21:42 Chattanooga (CHA) 22:56 Chicago O'Hare (ORD) 2 United Airlines UA 3578 Non-stop Embraer EMB 175 (E7W) 2:14 Operates only on 2024-12-01
Mon-Fri,Sun 17:41 Chattanooga (CHA) 18:55 Chicago O'Hare (ORD) 2 United Airlines UA 3599 Non-stop Embraer EMB 175 (E7W) 2:14 Effective 2024-10-27 through 2024-11-27
Mon,Fri,Sun 17:41 Chattanooga (CHA) 18:55 Chicago O'Hare (ORD) 2 United Airlines UA 3599 Non-stop Embraer EMB 175 (E7W) 2:14 Effective 2024-11-29 through 2024-12-02
Mon-Fri,Sun 12:12 Chattanooga (CHA) 13:18 Chicago O'Hare (ORD) 2 United Airlines UA 3616 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:06 Effective 2024-12-03 through 2024-12-18
Daily 12:12 Chattanooga (CHA) 13:18 Chicago O'Hare (ORD) 2 United Airlines UA 3659 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2024-10-27 through 2024-11-02
Daily 12:12 Chattanooga (CHA) 13:18 Chicago O'Hare (ORD) 2 United Airlines UA 3659 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2024-11-04 through 2024-11-23
Mon-Wed,Fri-Sun 12:12 Chattanooga (CHA) 13:18 Chicago O'Hare (ORD) 2 United Airlines UA 3659 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2024-11-25 through 2024-12-02
Daily 12:10 Chattanooga (CHA) 13:08 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Embraer EMB 175 (E7W) 1:58 Effective from 2025-02-13
Fri 12:11 Chattanooga (CHA) 13:14 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Canadair CRJ (CRJ) 2:03 Operates only on 2024-10-11
Sun 12:12 Chattanooga (CHA) 13:21 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Canadair CRJ (CRJ) 2:09 Operates only on 2024-11-03
Sun 12:12 Chattanooga (CHA) 13:21 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Canadair CRJ (CRJ) 2:09 Operates only on 2024-11-24
Daily 12:15 Chattanooga (CHA) 13:15 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2024-09-26 through 2024-10-10
Daily 12:15 Chattanooga (CHA) 13:15 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2024-10-12 through 2024-10-26
Daily 12:21 Chattanooga (CHA) 13:26 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Canadair CRJ (CRJ) 2:05 Effective 2024-12-19 through 2025-01-06
Sun 12:25 Chattanooga (CHA) 13:25 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Embraer EMB 175 (E7W) 2:00 Valid until 2024-09-08
Mon-Sat 12:25 Chattanooga (CHA) 13:28 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Canadair CRJ (CRJ) 2:03 Effective 2024-09-02 through 2024-09-14
Mon-Fri,Sun 12:25 Chattanooga (CHA) 13:28 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Canadair CRJ (CRJ) 2:03 Effective 2024-09-15 through 2024-09-23
Sat 12:25 Chattanooga (CHA) 13:25 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Embraer EMB 175 (E7W) 2:00 Operates only on 2024-09-21
Tue,Wed 12:25 Chattanooga (CHA) 13:23 Chicago O'Hare (ORD) 2 United Airlines UA 4632 Non-stop Embraer EMB 175 (E7W) 1:58 Effective 2024-09-24 through 2024-09-25
Daily 17:49 Chattanooga (CHA) 18:55 Chicago O'Hare (ORD) 2 United Airlines UA 4700 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2024-10-01 through 2024-10-26
Sun 06:45 Chattanooga (CHA) 07:52 Chicago O'Hare (ORD) 2 United Airlines UA 4726 Non-stop Embraer EMB 175 (E7W) 2:07 Operates only on 2024-10-27
Daily 17:10 Chattanooga (CHA) 18:05 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Embraer EMB 175 (E7W) 1:55 Effective from 2025-02-13
Mon,Wed-Sun 17:32 Chattanooga (CHA) 18:34 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Canadair CRJ (CRJ) 2:02 Effective 2024-12-19 through 2024-12-27
Mon,Wed-Fri,Sun 17:32 Chattanooga (CHA) 18:34 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Canadair CRJ (CRJ) 2:02 Effective 2024-12-29 through 2025-01-06
Daily 17:35 Chattanooga (CHA) 18:41 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Embraer EMB 175 (E7W) 2:06 Valid until 2024-09-25
Sat 17:38 Chattanooga (CHA) 18:55 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Canadair CRJ (CRJ) 2:17 Effective 2024-11-02 through 2024-11-30
Fri,Sun 17:45 Chattanooga (CHA) 18:54 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Canadair CRJ (CRJ) 2:09 Effective 2024-09-27 through 2024-09-29
Mon,Thu,Sat 17:49 Chattanooga (CHA) 18:55 Chicago O'Hare (ORD) 2 United Airlines UA 5218 Non-stop Embraer EMB 175 (E7W) 2:06 Effective 2024-09-26 through 2024-09-30
Mon,Tue,Thu-Sun 06:50 Chattanooga (CHA) 08:00 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Canadair CRJ (CRJ) 2:10 Effective 2024-12-19 through 2025-01-06
Thu 07:00 Chattanooga (CHA) 07:58 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Embraer EMB 175 (E7W) 1:58 Effective 2024-09-26 through 2024-10-03
Mon-Wed,Fri-Sun 07:00 Chattanooga (CHA) 08:00 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2024-09-27 through 2024-10-04
Thu,Sat 07:00 Chattanooga (CHA) 07:58 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Embraer EMB 175 (E7W) 1:58 Effective 2024-10-05 through 2024-10-26
Mon-Wed,Fri,Sun 07:00 Chattanooga (CHA) 08:00 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2024-10-06 through 2024-10-25
Daily 07:00 Chattanooga (CHA) 07:53 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Embraer EMB 175 (E7W) 1:53 Effective from 2025-02-13
Daily 07:05 Chattanooga (CHA) 08:05 Chicago O'Hare (ORD) 2 United Airlines UA 5239 Non-stop Embraer EMB 175 (E7W) 2:00 Valid until 2024-09-25

A domestic route departing from the Chattanooga airport (CHA) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 501 miles, or 806 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 2:17.

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA3425

06:45

Chattanooga (CHA)

07:52

Chicago O'Hare (ORD) 2

Effective 2024-10-28 through 2024-12-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 2:07, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3425

06:45

Chattanooga (CHA)

07:52

Chicago O'Hare (ORD) 2

Effective 2024-11-03 through 2024-12-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:07, non-stop
Embraer EMB 170 / EMB 175 (E70)

United Airlines UA3427

06:45

Chattanooga (CHA)

07:52

Chicago O'Hare (ORD) 2

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:07, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3436

06:45

Chattanooga (CHA)

07:57

Chicago O'Hare (ORD) 2

Effective 2025-01-07 through 2025-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:12, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3436

17:39

Chattanooga (CHA)

18:53

Chicago O'Hare (ORD) 2

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:14, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3442

12:44

Chattanooga (CHA)

13:49

Chicago O'Hare (ORD) 2

Effective 2025-01-07 through 2025-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:05, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3458

17:10

Chattanooga (CHA)

18:15

Chicago O'Hare (ORD) 2

Effective 2025-01-07 through 2025-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:05, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3578

21:42

Chattanooga (CHA)

22:56

Chicago O'Hare (ORD) 2

Operates only on 2024-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:14, non-stop
Embraer EMB 170 / EMB 175 (E70)

United Airlines UA3578

21:42

Chattanooga (CHA)

22:56

Chicago O'Hare (ORD) 2

Operates only on 2024-12-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:14, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3599

17:41

Chattanooga (CHA)

18:55

Chicago O'Hare (ORD) 2

Effective 2024-10-27 through 2024-11-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:14, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3599

17:41

Chattanooga (CHA)

18:55

Chicago O'Hare (ORD) 2

Effective 2024-11-29 through 2024-12-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:14, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3616

12:12

Chattanooga (CHA)

13:18

Chicago O'Hare (ORD) 2

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:06, non-stop
Embraer EMB 170 / EMB 175 (E70)

United Airlines UA3659

12:12

Chattanooga (CHA)

13:18

Chicago O'Hare (ORD) 2

Effective 2024-10-27 through 2024-11-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3659

12:12

Chattanooga (CHA)

13:18

Chicago O'Hare (ORD) 2

Effective 2024-11-04 through 2024-11-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

United Airlines UA3659

12:12

Chattanooga (CHA)

13:18

Chicago O'Hare (ORD) 2

Effective 2024-11-25 through 2024-12-02

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4632

12:10

Chattanooga (CHA)

13:08

Chicago O'Hare (ORD) 2

Effective from 2025-02-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:58, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4632

12:11

Chattanooga (CHA)

13:14

Chicago O'Hare (ORD) 2

Operates only on 2024-10-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:03, non-stop
Canadair CRJ (CRJ)

United Airlines UA4632

12:12

Chattanooga (CHA)

13:21

Chicago O'Hare (ORD) 2

Operates only on 2024-11-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:09, non-stop
Canadair CRJ (CRJ)

United Airlines UA4632

12:12

Chattanooga (CHA)

13:21

Chicago O'Hare (ORD) 2

Operates only on 2024-11-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:09, non-stop
Canadair CRJ (CRJ)

United Airlines UA4632

12:15

Chattanooga (CHA)

13:15

Chicago O'Hare (ORD) 2

Effective 2024-09-26 through 2024-10-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4632

12:15

Chattanooga (CHA)

13:15

Chicago O'Hare (ORD) 2

Effective 2024-10-12 through 2024-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4632

12:21

Chattanooga (CHA)

13:26

Chicago O'Hare (ORD) 2

Effective 2024-12-19 through 2025-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:05, non-stop
Canadair CRJ (CRJ)

United Airlines UA4632

12:25

Chattanooga (CHA)

13:25

Chicago O'Hare (ORD) 2

Valid until 2024-09-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4632

12:25

Chattanooga (CHA)

13:28

Chicago O'Hare (ORD) 2

Effective 2024-09-02 through 2024-09-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 2:03, non-stop
Canadair CRJ (CRJ)

United Airlines UA4632

12:25

Chattanooga (CHA)

13:28

Chicago O'Hare (ORD) 2

Effective 2024-09-15 through 2024-09-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:03, non-stop
Canadair CRJ (CRJ)

United Airlines UA4632

12:25

Chattanooga (CHA)

13:25

Chicago O'Hare (ORD) 2

Operates only on 2024-09-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4632

12:25

Chattanooga (CHA)

13:23

Chicago O'Hare (ORD) 2

Effective 2024-09-24 through 2024-09-25

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:58, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4700

17:49

Chattanooga (CHA)

18:55

Chicago O'Hare (ORD) 2

Effective 2024-10-01 through 2024-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4726

06:45

Chattanooga (CHA)

07:52

Chicago O'Hare (ORD) 2

Operates only on 2024-10-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:07, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5218

17:10

Chattanooga (CHA)

18:05

Chicago O'Hare (ORD) 2

Effective from 2025-02-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

United Airlines UA5218

17:32

Chattanooga (CHA)

18:34

Chicago O'Hare (ORD) 2

Effective 2024-12-19 through 2024-12-27

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

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

United Airlines UA5218

17:32

Chattanooga (CHA)

18:34

Chicago O'Hare (ORD) 2

Effective 2024-12-29 through 2025-01-06

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

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

United Airlines UA5218

17:35

Chattanooga (CHA)

18:41

Chicago O'Hare (ORD) 2

Valid until 2024-09-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5218

17:38

Chattanooga (CHA)

18:55

Chicago O'Hare (ORD) 2

Effective 2024-11-02 through 2024-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:17, non-stop
Canadair CRJ (CRJ)

United Airlines UA5218

17:45

Chattanooga (CHA)

18:54

Chicago O'Hare (ORD) 2

Effective 2024-09-27 through 2024-09-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:09, non-stop
Canadair CRJ (CRJ)

United Airlines UA5218

17:49

Chattanooga (CHA)

18:55

Chicago O'Hare (ORD) 2

Effective 2024-09-26 through 2024-09-30

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 2:06, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5239

06:50

Chattanooga (CHA)

08:00

Chicago O'Hare (ORD) 2

Effective 2024-12-19 through 2025-01-06

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:10, non-stop
Canadair CRJ (CRJ)

United Airlines UA5239

07:00

Chattanooga (CHA)

07:58

Chicago O'Hare (ORD) 2

Effective 2024-09-26 through 2024-10-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:58, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5239

07:00

Chattanooga (CHA)

08:00

Chicago O'Hare (ORD) 2

Effective 2024-09-27 through 2024-10-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5239

07:00

Chattanooga (CHA)

07:58

Chicago O'Hare (ORD) 2

Effective 2024-10-05 through 2024-10-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 1:58, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5239

07:00

Chattanooga (CHA)

08:00

Chicago O'Hare (ORD) 2

Effective 2024-10-06 through 2024-10-25

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5239

07:00

Chattanooga (CHA)

07:53

Chicago O'Hare (ORD) 2

Effective from 2025-02-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:53, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5239

07:05

Chattanooga (CHA)

08:05

Chicago O'Hare (ORD) 2

Valid until 2024-09-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

A domestic route departing from the Chattanooga airport (CHA) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 501 miles, or 806 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 2:17.

All CHA-ORD flights

All United Airlines flights

Return (ORD-CHA) flights

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