All airlines flying from Chicago O'Hare (ORD) to Chattanooga (CHA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 14:09 Chicago O'Hare (ORD) 2 16:55 Chattanooga (CHA)
United Airlines UA 4170 Non-stop Canadair CRJ 550 (CR5) 1:46 Effective 2025-06-26 through 2025-07-31
Daily 14:09 Chicago O'Hare (ORD) 2 16:55 Chattanooga (CHA)
United Airlines UA 4390 Non-stop Canadair CRJ 550 (CR5) 1:46 Effective 2025-08-01 through 2025-08-18
Daily 10:35 Chicago O'Hare (ORD) 2 13:26 Chattanooga (CHA)
United Airlines UA 4429 Non-stop Canadair CRJ 550 (CR5) 1:51 Effective 2025-08-19 through 2025-10-25
Wed 20:20 Chicago O'Hare (ORD) 2 23:14 Chattanooga (CHA)
United Airlines UA 4451 Non-stop Canadair CRJ 550 (CR5) 1:54 Operates only on 2025-05-21
Daily 08:45 Chicago O'Hare (ORD) 2 11:29 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:44 Valid until 2025-05-21
Daily 08:45 Chicago O'Hare (ORD) 2 11:35 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:50 Effective 2025-05-22 through 2025-06-06
Mon-Fri,Sun 08:45 Chicago O'Hare (ORD) 2 11:35 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:50 Effective 2025-06-08 through 2025-06-27
Daily 08:45 Chicago O'Hare (ORD) 2 11:35 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:50 Effective 2025-06-28 through 2025-08-18
Daily 08:45 Chicago O'Hare (ORD) 2 11:36 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:51 Effective 2025-09-25 through 2025-10-25
Daily 08:50 Chicago O'Hare (ORD) 2 11:35 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-08-19 through 2025-09-24
Daily 08:50 Chicago O'Hare (ORD) 2 11:35 Chattanooga (CHA)
United Airlines UA 4504 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective from 2025-10-26
Daily 18:20 Chicago O'Hare (ORD) 2 21:07 Chattanooga (CHA)
United Airlines UA 4507 Non-stop Canadair CRJ 550 (CR5) 1:47 Effective 2025-10-26 through 2025-12-17
Daily 20:00 Chicago O'Hare (ORD) 2 22:47 Chattanooga (CHA)
United Airlines UA 4507 Non-stop Canadair CRJ 550 (CR5) 1:47 Effective from 2025-12-18
Daily 20:10 Chicago O'Hare (ORD) 2 22:55 Chattanooga (CHA)
United Airlines UA 4507 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-05-22 through 2025-06-25
Daily 20:14 Chicago O'Hare (ORD) 2 22:59 Chattanooga (CHA)
United Airlines UA 4507 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-06-26 through 2025-07-03
Daily 20:14 Chicago O'Hare (ORD) 2 22:59 Chattanooga (CHA)
United Airlines UA 4507 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-07-05 through 2025-08-18
Mon,Tue,Thu-Sat 14:06 Chicago O'Hare (ORD) 2 16:59 Chattanooga (CHA)
United Airlines UA 4577 Non-stop Canadair CRJ 550 (CR5) 1:53 Valid until 2025-05-06
Mon,Tue,Fri,Sat 14:06 Chicago O'Hare (ORD) 2 16:59 Chattanooga (CHA)
United Airlines UA 4577 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective 2025-05-09 through 2025-05-20
Mon,Thu,Fri,Sun 14:10 Chicago O'Hare (ORD) 2 16:56 Chattanooga (CHA)
United Airlines UA 4582 Non-stop Canadair CRJ 550 (CR5) 1:46 Effective 2025-05-22 through 2025-06-23
Daily 20:20 Chicago O'Hare (ORD) 2 23:14 Chattanooga (CHA)
United Airlines UA 4615 Non-stop Canadair CRJ 550 (CR5) 1:54 Valid until 2025-05-20
Sat 08:45 Chicago O'Hare (ORD) 2 11:35 Chattanooga (CHA)
United Airlines UA 5331 Non-stop Canadair CRJ 550 (CR5) 1:50 Effective 2025-06-07 through 2025-06-21
Tue,Wed,Sat 14:10 Chicago O'Hare (ORD) 2 16:56 Chattanooga (CHA)
United Airlines UA 5337 Non-stop Canadair CRJ 550 (CR5) 1:46 Effective 2025-05-24 through 2025-06-25
Daily 20:14 Chicago O'Hare (ORD) 2 23:13 Chattanooga (CHA)
United Airlines UA 5363 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2025-08-19 through 2025-10-25
Wed,Thu,Sun 14:00 Chicago O'Hare (ORD) 2 16:57 Chattanooga (CHA)
United Airlines UA 5519 Non-stop Canadair CRJ (CRJ) 1:57 Effective 2025-05-04 through 2025-05-21
Daily 13:55 Chicago O'Hare (ORD) 2 16:46 Chattanooga (CHA)
United Airlines UA 5582 Non-stop Canadair CRJ 550 (CR5) 1:51 Effective 2025-09-25 through 2025-10-25
Daily 14:05 Chicago O'Hare (ORD) 2 16:55 Chattanooga (CHA)
United Airlines UA 5582 Non-stop Canadair CRJ 550 (CR5) 1:50 Effective 2025-08-19 through 2025-09-24
Daily 14:05 Chicago O'Hare (ORD) 2 16:55 Chattanooga (CHA)
United Airlines UA 5582 Non-stop Canadair CRJ 550 (CR5) 1:50 Effective from 2025-10-26
Direct Codeshare Flights:
Daily 18:20 Chicago O'Hare (ORD) 2 21:07 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:47 Effective 2025-10-26 through 2025-11-23
Codeshare flight, operated by United Airlines.(UA 4507)
Daily 18:20 Chicago O'Hare (ORD) 2 21:07 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:47 Effective 2025-12-02 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 4507)
Daily 20:10 Chicago O'Hare (ORD) 2 22:55 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4507)
Daily 20:14 Chicago O'Hare (ORD) 2 22:59 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-06-26 through 2025-07-03
Codeshare flight, operated by United Airlines.(UA 4507)
Daily 20:14 Chicago O'Hare (ORD) 2 22:59 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2025-07-05 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4507)
Daily 20:14 Chicago O'Hare (ORD) 2 23:13 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 5363)
Daily 20:20 Chicago O'Hare (ORD) 2 23:14 Chattanooga (CHA)
Emirates EK 6231 Non-stop Canadair CRJ 550 (CR5) 1:54 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 4615)




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All airlines flying from Chicago O'Hare (ORD) to Chattanooga (CHA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4170
14:09
Chicago O'Hare (ORD) 2

16:55
Chattanooga (CHA)
Effective 2025-06-26 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4390
14:09
Chicago O'Hare (ORD) 2

16:55
Chattanooga (CHA)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4429
10:35
Chicago O'Hare (ORD) 2

13:26
Chattanooga (CHA)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4451
20:20
Chicago O'Hare (ORD) 2

23:14
Chattanooga (CHA)
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:54, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:45
Chicago O'Hare (ORD) 2

11:29
Chattanooga (CHA)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:45
Chicago O'Hare (ORD) 2

11:35
Chattanooga (CHA)
Effective 2025-05-22 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:45
Chicago O'Hare (ORD) 2

11:35
Chattanooga (CHA)
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:45
Chicago O'Hare (ORD) 2

11:35
Chattanooga (CHA)
Effective 2025-06-28 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:45
Chicago O'Hare (ORD) 2

11:36
Chattanooga (CHA)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:50
Chicago O'Hare (ORD) 2

11:35
Chattanooga (CHA)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4504
08:50
Chicago O'Hare (ORD) 2

11:35
Chattanooga (CHA)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4507
18:20
Chicago O'Hare (ORD) 2

21:07
Chattanooga (CHA)
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4507
20:00
Chicago O'Hare (ORD) 2

22:47
Chattanooga (CHA)
Effective from 2025-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4507
20:10
Chicago O'Hare (ORD) 2

22:55
Chattanooga (CHA)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4507
20:14
Chicago O'Hare (ORD) 2

22:59
Chattanooga (CHA)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4507
20:14
Chicago O'Hare (ORD) 2

22:59
Chattanooga (CHA)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4577
14:06
Chicago O'Hare (ORD) 2

16:59
Chattanooga (CHA)
Valid until 2025-05-06
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4577
14:06
Chicago O'Hare (ORD) 2

16:59
Chattanooga (CHA)
Effective 2025-05-09 through 2025-05-20
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4582
14:10
Chicago O'Hare (ORD) 2

16:56
Chattanooga (CHA)
Effective 2025-05-22 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:46, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4615
20:20
Chicago O'Hare (ORD) 2

23:14
Chattanooga (CHA)
Valid until 2025-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5331
08:45
Chicago O'Hare (ORD) 2

11:35
Chattanooga (CHA)
Effective 2025-06-07 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5337
14:10
Chicago O'Hare (ORD) 2

16:56
Chattanooga (CHA)
Effective 2025-05-24 through 2025-06-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:46, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5363
20:14
Chicago O'Hare (ORD) 2

23:13
Chattanooga (CHA)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5519
14:00
Chicago O'Hare (ORD) 2

16:57
Chattanooga (CHA)
Effective 2025-05-04 through 2025-05-21
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:57, non-stop
Canadair CRJ (CRJ)
United Airlines UA5582
13:55
Chicago O'Hare (ORD) 2

16:46
Chattanooga (CHA)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5582
14:05
Chicago O'Hare (ORD) 2

16:55
Chattanooga (CHA)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA5582
14:05
Chicago O'Hare (ORD) 2

16:55
Chattanooga (CHA)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Emirates EK6231
18:20
Chicago O'Hare (ORD) 2

21:07
Chattanooga (CHA)
Effective 2025-10-26 through 2025-11-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4507)
Duration: 1:47, non-stop
Canadair CRJ 550 (CR5)
Emirates EK6231
18:20
Chicago O'Hare (ORD) 2

21:07
Chattanooga (CHA)
Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4507)
Duration: 1:47, non-stop
Canadair CRJ 550 (CR5)
Emirates EK6231
20:10
Chicago O'Hare (ORD) 2

22:55
Chattanooga (CHA)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4507)
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
Emirates EK6231
20:14
Chicago O'Hare (ORD) 2

22:59
Chattanooga (CHA)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4507)
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
Emirates EK6231
20:14
Chicago O'Hare (ORD) 2

22:59
Chattanooga (CHA)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4507)
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
Emirates EK6231
20:14
Chicago O'Hare (ORD) 2

23:13
Chattanooga (CHA)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5363)
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)
Emirates EK6231
20:20
Chicago O'Hare (ORD) 2

23:14
Chattanooga (CHA)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4615)
Duration: 1:54, non-stop
Canadair CRJ 550 (CR5)
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Chattanooga airport (CHA).
  • The flight distance is 501 miles, or 806 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 1:44 and 1:59.
Return (CHA-ORD) flights
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