United Airlines flights from Chicago O'Hare (ORD) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
12:55
Chicago O'Hare (ORD) 1
14:18
Saint Louis (STL) 1 United Airlines UA 455 Non-stop Airbus A319 (319) 1:23 Effective 2025-12-02 through 2026-02-11 |
| Mon-Fri
13:20
Chicago O'Hare (ORD) 1
14:47
Saint Louis (STL) 1 United Airlines UA 455 Non-stop Airbus A319 (319) 1:27 Valid until 2025-05-21 |
| Daily
09:10
Chicago O'Hare (ORD) 1
10:34
Saint Louis (STL) 1 United Airlines UA 562 Non-stop Boeing 737-800 (738) 1:24 Effective 2025-09-25 through 2025-10-25 |
| Daily
12:55
Chicago O'Hare (ORD) 1
14:19
Saint Louis (STL) 1 United Airlines UA 1160 Non-stop Airbus A319 (319) 1:24 Effective 2025-09-25 through 2025-10-25 |
| Mon-Thu,Sat,Sun
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 1361 Non-stop Airbus A319 (319) 1:25 Effective 2025-06-26 through 2025-08-18 |
| Fri
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 1361 Non-stop Boeing 737-800 (738) 1:25 Operates only on 2025-06-27 |
| Fri
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 1361 Non-stop Boeing 737-800 (738) 1:25 Effective 2025-07-11 through 2025-08-15 |
| Daily
12:55
Chicago O'Hare (ORD) 1
14:18
Saint Louis (STL) 1 United Airlines UA 1872 Non-stop Airbus A319 (319) 1:23 Effective 2025-10-26 through 2025-12-01 |
| Daily
12:55
Chicago O'Hare (ORD) 1
14:18
Saint Louis (STL) 1 United Airlines UA 1872 Non-stop Airbus A319 (319) 1:23 Effective from 2026-02-12 |
| Fri
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-05-23 through 2025-06-20 |
| Thu,Sat
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Boeing 737-800 (738) 1:25 Effective 2025-05-24 through 2025-05-31 |
| Mon-Wed
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Airbus A319 (319) 1:25 Effective 2025-05-26 through 2025-06-04 |
| Mon-Thu
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Airbus A319 (319) 1:25 Effective 2025-06-05 through 2025-06-19 |
| Sat
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Boeing 737-800 (738) 1:25 Effective 2025-06-07 through 2025-06-14 |
| Mon-Wed,Sat
21:20
Chicago O'Hare (ORD) 1
22:45
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Airbus A319 (319) 1:25 Effective 2025-06-21 through 2025-06-25 |
| Sun
21:22
Chicago O'Hare (ORD) 1
22:47
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Boeing 737-700 (73G) 1:25 Operates only on 2025-05-25 |
| Sun
21:22
Chicago O'Hare (ORD) 1
22:47
Saint Louis (STL) 1 United Airlines UA 2614 Non-stop Airbus A319 (319) 1:25 Effective 2025-06-01 through 2025-06-22 |
| Daily
14:03
Chicago O'Hare (ORD) 1
15:21
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Airbus A319 (319) 1:18 Effective from 2025-10-26 |
| Mon-Thu,Sat,Sun
14:06
Chicago O'Hare (ORD) 1
15:30
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Boeing 737-800 (738) 1:24 Effective 2025-05-22 through 2025-06-25 |
| Fri
14:06
Chicago O'Hare (ORD) 1
15:30
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Boeing 737 MAX 8 (7M8) 1:24 Effective 2025-05-23 through 2025-06-20 |
| Daily
14:14
Chicago O'Hare (ORD) 1
15:38
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Boeing 737 MAX 8 (7M8) 1:24 Effective 2025-09-25 through 2025-10-25 |
| Daily
14:20
Chicago O'Hare (ORD) 1
15:47
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Airbus A319 (319) 1:27 Valid until 2025-05-03 |
| Sun
14:20
Chicago O'Hare (ORD) 1
15:47
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Airbus A320 (320) 1:27 Operates only on 2025-05-04 |
| Daily
14:20
Chicago O'Hare (ORD) 1
15:47
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Airbus A319 (319) 1:27 Effective 2025-05-05 through 2025-05-21 |
| Daily
14:20
Chicago O'Hare (ORD) 1
15:44
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Airbus A319 (319) 1:24 Effective 2025-08-19 through 2025-09-24 |
| Daily
14:23
Chicago O'Hare (ORD) 1
15:47
Saint Louis (STL) 1 United Airlines UA 2618 Non-stop Airbus A320 (320) 1:24 Effective 2025-06-26 through 2025-08-18 |
| Daily
10:50
Chicago O'Hare (ORD) 2
12:20
Saint Louis (STL) 1 United Airlines UA 3473 Non-stop Embraer EMB 175 (E7W) 1:30 Effective from 2025-10-26 |
| Thu
21:20
Chicago O'Hare (ORD) 2
22:48
Saint Louis (STL) 1 United Airlines UA 3526 Non-stop Embraer EMB 175 (E7W) 1:28 Operates only on 2025-05-22 |
| Daily
13:05
Chicago O'Hare (ORD) 2
14:33
Saint Louis (STL) 1 United Airlines UA 3654 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2025-08-19 through 2025-09-24 |
| Mon,Tue,Thu,Fri,Sun
13:11
Chicago O'Hare (ORD) 2
14:37
Saint Louis (STL) 1 United Airlines UA 3654 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-06-26 through 2025-08-18 |
| Mon,Wed-Fri
13:27
Chicago O'Hare (ORD) 2
14:53
Saint Louis (STL) 1 United Airlines UA 3654 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-05-23 through 2025-06-02 |
| Mon-Fri
13:27
Chicago O'Hare (ORD) 2
14:53
Saint Louis (STL) 1 United Airlines UA 3654 Non-stop Embraer EMB 175 (E7W) 1:26 Effective 2025-06-03 through 2025-06-25 |
| Sat,Sun
13:20
Chicago O'Hare (ORD) 2
14:50
Saint Louis (STL) 1 United Airlines UA 3662 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-05-03 through 2025-05-17 |
| Sun
13:20
Chicago O'Hare (ORD) 2
14:50
Saint Louis (STL) 1 United Airlines UA 3662 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Operates only on 2025-05-18 |
| Wed
12:50
Chicago O'Hare (ORD)
14:15
Saint Louis (STL) United Airlines UA 3754 Non-stop Boeing 737 MAX 9 (7M9) 1:25 Operates only on 2025-05-07 This is a Charter flight. |
| 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 2025-10-26 |
| Daily
19:45
Chicago O'Hare (ORD) 2
21:15
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-05-22 through 2025-06-25 |
| Daily
20:00
Chicago O'Hare (ORD) 2
21:32
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2025-08-19 through 2025-10-25 |
| Daily
20:05
Chicago O'Hare (ORD) 2
21:35
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-06-26 through 2025-08-18 |
| Daily
20:20
Chicago O'Hare (ORD) 2
21:48
Saint Louis (STL) 1 United Airlines UA 4185 Non-stop Canadair CRJ 550 (CR5) 1:28 Valid until 2025-05-21 |
| Daily
18:00
Chicago O'Hare (ORD) 2
19:27
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2025-08-19 through 2025-10-25 |
| 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 2025-10-26 |
| Daily
18:05
Chicago O'Hare (ORD) 2
19:31
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2025-06-26 through 2025-08-18 |
| Daily
18:10
Chicago O'Hare (ORD) 2
19:35
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:25 Valid until 2025-05-21 |
| Daily
18:11
Chicago O'Hare (ORD) 2
19:37
Saint Louis (STL) 1 United Airlines UA 4416 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2025-05-22 through 2025-06-25 |
| Daily
10:58
Chicago O'Hare (ORD) 2
12:25
Saint Louis (STL) 1 United Airlines UA 4467 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2025-08-19 through 2025-10-25 |
| Sat,Sun
11:20
Chicago O'Hare (ORD) 2
12:46
Saint Louis (STL) 1 United Airlines UA 4479 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2025-06-28 through 2025-08-17 |
| Sat
10:50
Chicago O'Hare (ORD) 2
12:19
Saint Louis (STL) 1 United Airlines UA 4494 Non-stop Canadair CRJ 550 (CR5) 1:29 Operates only on 2025-05-03 |
| Daily
15:45
Chicago O'Hare (ORD) 2
17:14
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective from 2025-10-26 |
| Daily
15:50
Chicago O'Hare (ORD) 2
17:23
Saint Louis (STL) 1 United Airlines UA 4518 Non-stop Canadair CRJ 550 (CR5) 1:33 Valid until 2025-05-21 |
1
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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 1:35.
