United Airlines flights from Chicago O'Hare (ORD) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 United Airlines UA 485 Non-stop Airbus A319 (319) 1:28 Effective 2026-03-29 through 2026-04-29 |
| Daily
19:40
Chicago O'Hare (ORD) 1
21:04
Saint Louis (STL) 1 United Airlines UA 485 Non-stop Airbus A319 (319) 1:24 Effective 2026-04-30 through 2026-05-20 |
| Daily
07:00
Chicago O'Hare (ORD) 1
08:18
Saint Louis (STL) 1 United Airlines UA 1955 Non-stop Airbus A319 (319) 1:18 Effective 2026-04-30 through 2026-05-20 |
| Daily
14:03
Chicago O'Hare (ORD) 1
15:21
Saint Louis (STL) 1 United Airlines UA 2000 Non-stop Airbus A319 (319) 1:18 Effective from 2026-05-21 |
| Daily
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 United Airlines UA 2005 Non-stop Airbus A319 (319) 1:25 Effective 2026-02-12 through 2026-03-03 |
| Wed
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 United Airlines UA 2005 Non-stop Airbus A320 (320) 1:25 Operates only on 2026-03-04 |
| Sat
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 United Airlines UA 2379 Non-stop Boeing 737-700 (73G) 1:25 Effective 2026-03-07 through 2026-03-28 |
| Mon-Fri,Sun
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 United Airlines UA 2379 Non-stop Boeing 737-900 (739) 1:25 Effective 2026-03-05 through 2026-03-27 |
| Daily
12:55
Chicago O'Hare (ORD) 1
14:18
Saint Louis (STL) 1 United Airlines UA 2465 Non-stop Airbus A319 (319) 1:23 Effective from 2026-05-21 |
| Daily
10:50
Chicago O'Hare (ORD) 2
12:20
Saint Louis (STL) 1 United Airlines UA 3495 Non-stop Embraer EMB 175 (E7W) 1:30 Effective from 2026-05-21 |
| Mon-Fri,Sun
13:00
Chicago O'Hare (ORD) 2
14:30
Saint Louis (STL) 1 United Airlines UA 3502 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-01-06 through 2026-02-11 |
| Fri
16:20
Chicago O'Hare (ORD) 2
17:45
Saint Louis (STL) 1 United Airlines UA 3577 Non-stop Embraer EMB 175 (E7W) 1:25 Effective 2026-02-13 through 2026-02-27 |
| Daily
13:00
Chicago O'Hare (ORD) 2
14:27
Saint Louis (STL) 1 United Airlines UA 3599 Non-stop Embraer EMB 175 (E7W) 1:27 Effective 2026-03-29 through 2026-04-29 |
| Daily
12:56
Chicago O'Hare (ORD) 2
14:26
Saint Louis (STL) 1 United Airlines UA 3680 Non-stop Embraer EMB 175 (E7W) 1:30 Valid until 2026-01-05 |
| Daily
19:40
Chicago O'Hare (ORD) 2
21:13
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-06 through 2026-02-11 |
| Daily
19:40
Chicago O'Hare (ORD) 2
21:04
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-05-21 |
| Daily
20:10
Chicago O'Hare (ORD) 2
21:43
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:33 Valid until 2026-01-05 |
| Daily
17:50
Chicago O'Hare (ORD) 2
19:18
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:28 Valid until 2026-01-05 |
| Daily
17:50
Chicago O'Hare (ORD) 2
19:14
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-12 through 2026-03-28 |
| Daily
17:55
Chicago O'Hare (ORD) 2
19:26
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-03-29 through 2026-04-29 |
| Daily
17:59
Chicago O'Hare (ORD) 2
19:27
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-02-11 |
| Daily
18:00
Chicago O'Hare (ORD) 2
19:25
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:25 Effective from 2026-04-30 |
| Daily
21:10
Chicago O'Hare (ORD) 2
22:43
Saint Louis (STL) 1 United Airlines UA 4487 Non-stop Canadair CRJ 550 (CR5) 1:33 Valid until 2026-01-05 |
| Mon-Fri,Sun
21:25
Chicago O'Hare (ORD) 2
22:58
Saint Louis (STL) 1 United Airlines UA 4487 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-06 through 2026-01-16 |
| Mon-Fri,Sun
21:25
Chicago O'Hare (ORD) 2
22:58
Saint Louis (STL) 1 United Airlines UA 4487 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-19 through 2026-02-11 |
| Daily
10:50
Chicago O'Hare (ORD) 2
12:21
Saint Louis (STL) 1 United Airlines UA 4491 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-02-12 through 2026-03-04 |
| Daily
10:50
Chicago O'Hare (ORD) 2
12:20
Saint Louis (STL) 1 United Airlines UA 4491 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-04-30 through 2026-05-20 |
| Daily
10:52
Chicago O'Hare (ORD) 2
12:29
Saint Louis (STL) 1 United Airlines UA 4491 Non-stop Canadair CRJ 550 (CR5) 1:37 Effective 2026-01-06 through 2026-02-11 |
| Daily
10:56
Chicago O'Hare (ORD) 2
12:27
Saint Louis (STL) 1 United Airlines UA 4491 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-03-05 through 2026-03-28 |
| Daily
10:56
Chicago O'Hare (ORD) 2
12:25
Saint Louis (STL) 1 United Airlines UA 4491 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-29 |
| Daily
13:00
Chicago O'Hare (ORD) 2
14:29
Saint Louis (STL) 1 United Airlines UA 4494 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-02-12 through 2026-03-04 |
| Sat
13:00
Chicago O'Hare (ORD) 2
14:28
Saint Louis (STL) 1 United Airlines UA 4510 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-10 through 2026-02-07 |
| Mon-Fri,Sun
20:10
Chicago O'Hare (ORD) 2
21:40
Saint Louis (STL) 1 United Airlines UA 4515 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-02-12 through 2026-03-04 |
| Daily
14:33
Chicago O'Hare (ORD) 2
16:02
Saint Louis (STL) 1 United Airlines UA 4516 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-02-12 through 2026-03-04 |
| Daily
14:35
Chicago O'Hare (ORD) 2
16:03
Saint Louis (STL) 1 United Airlines UA 4516 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-02-11 |
| Mon-Sat
14:35
Chicago O'Hare (ORD) 2
16:04
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-05 through 2026-03-28 |
| Daily
15:00
Chicago O'Hare (ORD) 2
16:27
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:27 Valid until 2026-01-05 |
| Daily
16:15
Chicago O'Hare (ORD) 2
17:43
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-02-11 |
| Mon-Thu,Sat,Sun
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-12 through 2026-03-04 |
| Daily
16:20
Chicago O'Hare (ORD) 2
17:51
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-03-29 through 2026-04-29 |
| Daily
16:40
Chicago O'Hare (ORD) 2
18:09
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective from 2026-05-21 |
| Daily
12:55
Chicago O'Hare (ORD) 2
14:18
Saint Louis (STL) 1 United Airlines UA 4534 Non-stop Canadair CRJ 550 (CR5) 1:23 Effective 2026-04-30 through 2026-05-20 |
| Daily
21:20
Chicago O'Hare (ORD) 2
22:44
Saint Louis (STL) 1 United Airlines UA 4576 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-05-21 through 2026-08-17 |
| Daily
21:30
Chicago O'Hare (ORD) 2
22:54
Saint Louis (STL) 1 United Airlines UA 4576 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-10-25 |
| Mon,Wed-Fri,Sun
21:33
Chicago O'Hare (ORD) 2
22:59
Saint Louis (STL) 1 United Airlines UA 4576 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-02-12 through 2026-03-06 |
| Daily
21:33
Chicago O'Hare (ORD) 2
22:59
Saint Louis (STL) 1 United Airlines UA 4576 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-03-07 through 2026-04-29 |
| Mon-Fri,Sun
20:12
Chicago O'Hare (ORD) 2
21:42
Saint Louis (STL) 1 United Airlines UA 4596 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-05 through 2026-03-13 |
| Sat
20:12
Chicago O'Hare (ORD) 2
21:41
Saint Louis (STL) 1 United Airlines UA 4596 Non-stop Canadair CRJ 550 (CR5) 1:29 Operates only on 2026-03-07 |
| Daily
20:12
Chicago O'Hare (ORD) 2
21:42
Saint Louis (STL) 1 United Airlines UA 4596 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-14 through 2026-03-28 |
| Daily
20:15
Chicago O'Hare (ORD) 2
21:47
Saint Louis (STL) 1 United Airlines UA 4596 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2026-03-29 through 2026-04-29 |
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- A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Saint Louis airport (STL).
- The flight distance is 258 miles, or 415 km.
- The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:18 and 1:37.
