All airlines flying from Chicago O'Hare (ORD) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Mon-Fri,Sun
21:25
Chicago O'Hare (ORD) 2
22:58
Saint Louis (STL) 1 Air New Zealand NZ 2901 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-19 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4487) |
| Daily
21:30
Chicago O'Hare (ORD) 2
22:54
Saint Louis (STL) 1 Air New Zealand NZ 2901 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 4576) |
| Daily
09:04
Chicago O'Hare (ORD) 2
10:27
Saint Louis (STL) 1 Air New Zealand NZ 2903 Non-stop Canadair CRJ 550 (CR5) 1:23 Effective from 2026-04-30 Codeshare flight, operated by United Airlines.(UA 4613) |
| Daily
09:05
Chicago O'Hare (ORD) 2
10:36
Saint Louis (STL) 1 Air New Zealand NZ 2903 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-02-12 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4613) |
| Daily
09:05
Chicago O'Hare (ORD) 2
10:35
Saint Louis (STL) 1 Air New Zealand NZ 2903 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4613) |
| Daily
09:25
Chicago O'Hare (ORD) 2
11:02
Saint Louis (STL) 1 Air New Zealand NZ 2903 Non-stop Canadair CRJ 550 (CR5) 1:37 Effective 2026-01-07 through 2026-02-03 Codeshare flight, operated by United Airlines.(UA 4613) |
| Daily
09:25
Chicago O'Hare (ORD) 2
11:02
Saint Louis (STL) 1 Air New Zealand NZ 2903 Non-stop Canadair CRJ 550 (CR5) 1:37 Effective 2026-02-05 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4613) |
| Mon-Wed,Fri-Sun
10:50
Chicago O'Hare (ORD) 2
12:27
Saint Louis (STL) 1 Air New Zealand NZ 2903 Non-stop Canadair CRJ 550 (CR5) 1:37 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4613) |
| Daily
15:00
Chicago O'Hare (ORD) 2
16:27
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:27 Valid until 2026-01-04 Codeshare flight, operated by United Airlines.(UA 4518) |
| Daily
16:15
Chicago O'Hare (ORD) 2
17:43
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4518) |
| Daily
16:15
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Embraer EMB 175 (E7W) 1:29 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 5783) |
| Mon-Thu,Sat,Sun
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4518) |
| Fri
16:20
Chicago O'Hare (ORD) 2
17:45
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Embraer EMB 175 (E7W) 1:25 Effective 2026-02-13 through 2026-02-27 Codeshare flight, operated by United Airlines.(UA 3577) |
| Thu-Sat
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-03-05 through 2026-03-07 Codeshare flight, operated by United Airlines.(UA 6017) |
| Daily
16:20
Chicago O'Hare (ORD) 2
17:51
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4518) |
| Mon
16:24
Chicago O'Hare (ORD) 2
17:54
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Embraer EMB 175 (E7W) 1:30 Operates only on 2026-01-05 Codeshare flight, operated by United Airlines.(UA 5873) |
| Daily
16:35
Chicago O'Hare (ORD) 2
17:59
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 6017) |
| Daily
16:40
Chicago O'Hare (ORD) 2
18:09
Saint Louis (STL) 1 Air New Zealand NZ 2905 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4518) |
| Daily
17:52
Chicago O'Hare (ORD) 3
19:14
Saint Louis (STL) 1 Qatar Airways QR 2921 Non-stop Canadair CRJ 700 (CR7) 1:22 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 6282) |
| Daily
12:55
Chicago O'Hare (ORD) 2
14:18
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Canadair CRJ 550 (CR5) 1:23 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4534) |
| Daily
12:55
Chicago O'Hare (ORD) 1
14:18
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Airbus A319 (319) 1:23 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 2465) |
| Daily
12:56
Chicago O'Hare (ORD) 2
14:26
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Embraer EMB 175 (E7W) 1:30 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 3680) |
| Mon-Fri,Sun
13:00
Chicago O'Hare (ORD) 2
14:30
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 3502) |
| Sat
13:00
Chicago O'Hare (ORD) 2
14:28
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-10 through 2026-02-07 Codeshare flight, operated by United Airlines.(UA 4510) |
| Daily
13:00
Chicago O'Hare (ORD) 2
14:29
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4494) |
| Daily
13:00
Chicago O'Hare (ORD) 2
14:27
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Embraer EMB 175 (E7W) 1:27 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 3599) |
| Mon,Wed,Thu,Sun
13:11
Chicago O'Hare (ORD) 2
14:42
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-03-05 through 2026-03-26 Codeshare flight, operated by United Airlines.(UA 5508) |
| Fri,Sat
13:12
Chicago O'Hare (ORD) 2
14:43
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-03-06 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 5508) |
| Tue
13:18
Chicago O'Hare (ORD) 2
14:49
Saint Louis (STL) 1 Air Canada AC 3578 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-03-10 through 2026-03-24 Codeshare flight, operated by United Airlines.(UA 5508) |
| Daily
20:20
Chicago O'Hare (ORD) 3
21:48
Saint Louis (STL) 1 Iberia IB 4005 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3555) |
| Mon,Wed,Thu,Sat,Sun
20:20
Chicago O'Hare (ORD) 3
21:48
Saint Louis (STL) 1 Finnair AY 4076 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-04-08 through 2026-04-30 Codeshare flight, operated by American Airlines.(AA 3555) |
| Daily
20:20
Chicago O'Hare (ORD) 3
21:48
Saint Louis (STL) 1 Finnair AY 4076 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-05-01 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3555) |
| Mon,Tue,Sat,Sun
14:28
Chicago O'Hare (ORD) 3
15:48
Saint Louis (STL) 1 Alaska Airlines AS 4111 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:20 Effective 2026-09-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 3620) |
| Daily
16:40
Chicago O'Hare (ORD) 3
18:04
Saint Louis (STL) 1 Alaska Airlines AS 4111 Non-stop Canadair CRJ 700 (CR7) 1:24 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 6440) |
| Daily
22:05
Chicago O'Hare (ORD) 3
23:20
Saint Louis (STL) 1 Finnair AY 4118 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 1466) |
| Mon,Wed,Thu,Sun
22:34
Chicago O'Hare (ORD) 3
23:52
Saint Louis (STL) 1 Finnair AY 4118 Non-stop Airbus A319 (319) 1:18 Effective 2026-03-29 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 1926) |
| Tue,Sun
22:05
Chicago O'Hare (ORD) 3
23:23
Saint Louis (STL) 1 Finnair AY 4120 Non-stop Airbus A319 (319) 1:18 Effective 2026-05-24 through 2026-06-30 Codeshare flight, operated by American Airlines.(AA 1004) |
| Daily
11:40
Chicago O'Hare (ORD) 3
13:03
Saint Louis (STL) 1 Alaska Airlines AS 4160 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 4997) |
| Tue
08:50
Chicago O'Hare (ORD) 3
10:20
Saint Louis (STL) 1 Alaska Airlines AS 4164 Non-stop Canadair CRJ 700 (CR7) 1:30 Operates only on 2026-01-06 Codeshare flight, operated by American Airlines.(AA 6342) |
| Daily
13:10
Chicago O'Hare (ORD) 3
14:35
Saint Louis (STL) 1 Alaska Airlines AS 4225 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 4513) |
| Daily
06:40
Chicago O'Hare (ORD) 3
07:59
Saint Louis (STL) 1 Alaska Airlines AS 4254 Non-stop Canadair CRJ 700 (CR7) 1:19 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 6354) |
| Daily
22:05
Chicago O'Hare (ORD) 3
23:23
Saint Louis (STL) 1 Alaska Airlines AS 4268 Non-stop Airbus A319 (319) 1:18 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 1004) |
| Mon,Tue,Thu-Sun
18:03
Chicago O'Hare (ORD) 3
19:31
Saint Louis (STL) 1 Iberia IB 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:28 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 3461) |
| Daily
08:00
Chicago O'Hare (ORD) 3
09:25
Saint Louis (STL) 1 Alaska Airlines AS 4298 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 6381) |
| Wed-Fri
22:05
Chicago O'Hare (ORD) 3
23:20
Saint Louis (STL) 1 Alaska Airlines AS 4413 Non-stop Airbus A319 (319) 1:15 Effective 2026-09-09 through 2026-09-11 Codeshare flight, operated by American Airlines.(AA 2514) |
| Daily
08:05
Chicago O'Hare (ORD) 3
09:25
Saint Louis (STL) 1 Alaska Airlines AS 4492 Non-stop Airbus A319 (319) 1:20 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 1926) |
| Mon-Fri,Sun
14:57
Chicago O'Hare (ORD) 3
16:23
Saint Louis (STL) 1 Alaska Airlines AS 4492 Non-stop Embraer EMB 175 (E75) 1:26 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4595) |
| Daily
18:35
Chicago O'Hare (ORD) 3
20:02
Saint Louis (STL) 1 Alaska Airlines AS 4492 Non-stop Boeing 737 MAX 8 (7M8) 1:27 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 439) |
| Daily
18:35
Chicago O'Hare (ORD) 3
20:03
Saint Louis (STL) 1 Alaska Airlines AS 4492 Non-stop Boeing 737 MAX 8 (7M8) 1:28 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 439) |
| Daily
18:35
Chicago O'Hare (ORD) 3
20:03
Saint Louis (STL) 1 Alaska Airlines AS 4492 Non-stop Boeing 737-800 (738) 1:28 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 2444) |
- 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 1:14 and 1:37.
