All airlines flying from Saint Louis (STL) to Chicago O'Hare (ORD).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sat
14:08
Saint Louis (STL) 1
15:34
Chicago O'Hare (ORD) 3 American Airlines AA 4175 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:26 Operates only on 2026-01-03 |
| Daily
08:00
Saint Louis (STL) 1
09:22
Chicago O'Hare (ORD) 2 United Airlines UA 4183 Non-stop Canadair CRJ 550 (CR5) 1:22 Effective from 2026-05-21 |
| Daily
08:05
Saint Louis (STL) 1
09:40
Chicago O'Hare (ORD) 2 United Airlines UA 4183 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-02-03 |
| Daily
08:05
Saint Louis (STL) 1
09:40
Chicago O'Hare (ORD) 2 United Airlines UA 4183 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-02-05 through 2026-02-11 |
| Wed
08:20
Saint Louis (STL) 1
09:55
Chicago O'Hare (ORD) 2 United Airlines UA 4183 Non-stop Canadair CRJ 550 (CR5) 1:35 Operates only on 2026-02-04 |
| Daily
16:29
Saint Louis (STL) 1
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 4282 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:31 Effective 2026-09-09 through 2026-10-04 |
| Mon,Thu-Sun
09:08
Saint Louis (STL) 1
10:35
Chicago O'Hare (ORD) 3 American Airlines AA 4310 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:27 Valid until 2026-01-05 |
| Daily
09:57
Saint Louis (STL) 1
11:32
Chicago O'Hare (ORD) 2 United Airlines UA 4389 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-06 through 2026-02-03 |
| Daily
09:57
Saint Louis (STL) 1
11:32
Chicago O'Hare (ORD) 2 United Airlines UA 4389 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-02-05 through 2026-02-11 |
| Wed
10:10
Saint Louis (STL) 1
11:45
Chicago O'Hare (ORD) 2 United Airlines UA 4389 Non-stop Canadair CRJ 550 (CR5) 1:35 Operates only on 2026-02-04 |
| Daily
10:30
Saint Louis (STL) 1
11:58
Chicago O'Hare (ORD) 2 United Airlines UA 4395 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-20 |
| Daily
11:20
Saint Louis (STL) 1
12:55
Chicago O'Hare (ORD) 2 United Airlines UA 4395 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-06 through 2026-02-03 |
| Daily
11:20
Saint Louis (STL) 1
12:55
Chicago O'Hare (ORD) 2 United Airlines UA 4395 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-02-05 through 2026-02-11 |
| Daily
11:25
Saint Louis (STL) 1
12:58
Chicago O'Hare (ORD) 2 United Airlines UA 4395 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-28 |
| Daily
11:25
Saint Louis (STL) 1
12:54
Chicago O'Hare (ORD) 2 United Airlines UA 4395 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-29 |
| Daily
11:45
Saint Louis (STL) 1
13:12
Chicago O'Hare (ORD) 2 United Airlines UA 4395 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective from 2026-05-21 |
| Daily
09:55
Saint Louis (STL) 1
11:28
Chicago O'Hare (ORD) 2 United Airlines UA 4405 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 |
| Daily
11:05
Saint Louis (STL) 1
12:40
Chicago O'Hare (ORD) 2 United Airlines UA 4405 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-05 |
| Daily
13:14
Saint Louis (STL) 1
14:47
Chicago O'Hare (ORD) 2 United Airlines UA 4413 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-03-05 through 2026-03-28 |
| Daily
06:25
Saint Louis (STL) 1
07:58
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-13 through 2026-03-28 |
| Mon-Wed,Fri-Sun
06:30
Saint Louis (STL) 1
08:05
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-07 |
| Daily
06:30
Saint Louis (STL) 1
08:05
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-08 through 2026-02-03 |
| Daily
06:30
Saint Louis (STL) 1
08:05
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-02-05 through 2026-02-11 |
| Thu
06:30
Saint Louis (STL) 1
08:03
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:33 Operates only on 2026-02-12 |
| Daily
06:30
Saint Louis (STL) 1
07:59
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-29 |
| Daily
06:40
Saint Louis (STL) 1
08:00
Chicago O'Hare (ORD) 2 United Airlines UA 4423 Non-stop Canadair CRJ 550 (CR5) 1:20 Effective from 2026-04-30 |
| Daily
13:11
Saint Louis (STL) 1
14:44
Chicago O'Hare (ORD) 2 United Airlines UA 4428 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 |
| Daily
13:15
Saint Louis (STL) 1
14:50
Chicago O'Hare (ORD) 2 United Airlines UA 4437 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-06 through 2026-02-11 |
| Mon-Fri
09:32
Saint Louis (STL) 1
11:01
Chicago O'Hare (ORD) 3 American Airlines AA 4460 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2026-03-09 through 2026-04-06 |
| Sun
21:28
Saint Louis (STL) 1
22:57
Chicago O'Hare (ORD) 3 American Airlines AA 4471 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:29 Operates only on 2026-01-04 |
| Daily
15:15
Saint Louis (STL) 1
16:43
Chicago O'Hare (ORD) 2 United Airlines UA 4487 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-20 |
| Mon-Fri,Sun
16:49
Saint Louis (STL) 1
18:22
Chicago O'Hare (ORD) 2 United Airlines UA 4487 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 |
| Daily
16:49
Saint Louis (STL) 1
18:32
Chicago O'Hare (ORD) 2 United Airlines UA 4494 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-06 through 2026-02-11 |
| Mon,Wed,Thu,Sun
18:55
Saint Louis (STL) 1
20:28
Chicago O'Hare (ORD) 2 United Airlines UA 4495 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 |
| Daily
15:15
Saint Louis (STL) 1
16:48
Chicago O'Hare (ORD) 2 United Airlines UA 4513 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 |
| Daily
16:23
Saint Louis (STL) 1
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 4513 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2026-05-21 through 2026-07-01 |
| Daily
17:02
Saint Louis (STL) 1
18:45
Chicago O'Hare (ORD) 2 United Airlines UA 4526 Non-stop Canadair CRJ 550 (CR5) 1:43 Valid until 2026-01-05 |
| Tue-Sun
05:00
Saint Louis (STL) 1
06:30
Chicago O'Hare (ORD) 2 United Airlines UA 4537 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-05 through 2026-03-28 |
| Daily
05:00
Saint Louis (STL) 1
06:20
Chicago O'Hare (ORD) 2 United Airlines UA 4537 Non-stop Canadair CRJ 550 (CR5) 1:20 Effective 2026-05-21 through 2026-08-17 |
| Daily
18:15
Saint Louis (STL) 1
19:50
Chicago O'Hare (ORD) 3 American Airlines AA 4537 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-07-02 through 2026-08-04 |
| Mon
18:33
Saint Louis (STL) 1
20:03
Chicago O'Hare (ORD) 3 American Airlines AA 4539 Non-stop Embraer EMB 175 (E75) 1:30 Operates only on 2026-02-16 |
| Tue
06:00
Saint Louis (STL) 1
07:34
Chicago O'Hare (ORD) 3 American Airlines AA 4544 Non-stop Embraer EMB 175 (E75) 1:34 Operates only on 2026-01-06 |
| Sat
15:11
Saint Louis (STL) 1
16:54
Chicago O'Hare (ORD) 2 United Airlines UA 4556 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-10 through 2026-02-07 |
| Mon-Fri,Sun
18:40
Saint Louis (STL) 1
20:23
Chicago O'Hare (ORD) 2 United Airlines UA 4559 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-06 through 2026-01-16 |
| Mon-Fri,Sun
18:40
Saint Louis (STL) 1
20:23
Chicago O'Hare (ORD) 2 United Airlines UA 4559 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-19 through 2026-02-11 |
| Daily
13:10
Saint Louis (STL) 1
14:38
Chicago O'Hare (ORD) 2 United Airlines UA 4592 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-20 |
| Daily
13:14
Saint Louis (STL) 1
14:43
Chicago O'Hare (ORD) 2 United Airlines UA 4592 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-29 |
| Daily
16:53
Saint Louis (STL) 1
18:37
Chicago O'Hare (ORD) 3 American Airlines AA 4595 Non-stop Embraer EMB 175 (E75) 1:44 Valid until 2026-01-05 |
| Daily
09:55
Saint Louis (STL) 1
11:30
Chicago O'Hare (ORD) 2 United Airlines UA 4597 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-05 |
| Daily
09:30
Saint Louis (STL) 1
10:57
Chicago O'Hare (ORD) 2 United Airlines UA 4601 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2026-04-30 through 2026-05-20 |
- A domestic route departing from the Saint Louis airport (STL) and arriving at Chicago O'Hare airport (ORD).
- 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 1:16 and 1:44.
