All airlines flying from Saint Louis (STL) to Chicago O'Hare (ORD).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Mon,Tue
09:32
Saint Louis (STL) 1
11:01
Chicago O'Hare (ORD) 3 Qatar Airways QR 8666 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2026-03-30 through 2026-03-31 Codeshare flight, operated by American Airlines.(AA 4460) |
| Mon,Wed-Sun
10:07
Saint Louis (STL) 1
11:31
Chicago O'Hare (ORD) 3 Qatar Airways QR 8666 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Effective 2026-04-01 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 3712) |
| Mon-Fri,Sun
06:00
Saint Louis (STL) 1
07:26
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Airbus A319 (319) 1:26 Effective 2026-02-19 through 2026-03-06 Codeshare flight, operated by American Airlines.(AA 810) |
| Daily
07:50
Saint Louis (STL) 1
09:10
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 4135) |
| Tue
14:21
Saint Louis (STL) 1
15:44
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Operates only on 2026-03-10 Codeshare flight, operated by American Airlines.(AA 3547) |
| Mon,Wed-Fri,Sun
14:32
Saint Louis (STL) 1
15:55
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Effective 2026-03-08 through 2026-03-13 Codeshare flight, operated by American Airlines.(AA 3547) |
| Mon,Sun
14:32
Saint Louis (STL) 1
15:55
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Effective 2026-04-05 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 3547) |
| Daily
14:45
Saint Louis (STL) 1
16:10
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 3829) |
| Daily
14:45
Saint Louis (STL) 1
16:10
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 6201) |
| Daily
14:50
Saint Louis (STL) 1
16:10
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:20 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 3815) |
| Daily
16:18
Saint Louis (STL) 1
17:43
Chicago O'Hare (ORD) 3 Qatar Airways QR 8778 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 3620) |
| Sat
16:49
Saint Louis (STL) 1
18:32
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-10 through 2026-02-07 Codeshare flight, operated by United Airlines.(UA 4494) |
| Sun
16:49
Saint Louis (STL) 1
18:32
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:43 Operates only on 2026-01-18 Codeshare flight, operated by United Airlines.(UA 4494) |
| Tue
16:49
Saint Louis (STL) 1
18:22
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-17 through 2026-03-03 Codeshare flight, operated by United Airlines.(UA 4487) |
| Daily
18:35
Saint Louis (STL) 1
20:19
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Embraer EMB 175 (E7W) 1:44 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 5523) |
| Daily
18:35
Saint Louis (STL) 1
20:04
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4616) |
| Mon-Fri,Sun
18:40
Saint Louis (STL) 1
20:23
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-06 through 2026-01-16 Codeshare flight, operated by United Airlines.(UA 4559) |
| Mon-Fri,Sun
18:40
Saint Louis (STL) 1
20:23
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-19 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4559) |
| Fri
18:45
Saint Louis (STL) 1
20:20
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Embraer EMB 175 (E7W) 1:35 Effective 2026-02-13 through 2026-02-27 Codeshare flight, operated by United Airlines.(UA 3714) |
| Daily
18:45
Saint Louis (STL) 1
20:09
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 4616) |
| Daily
18:49
Saint Louis (STL) 1
20:17
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-04-30 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 5684) |
| Mon,Wed,Thu,Sun
18:55
Saint Louis (STL) 1
20:28
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4495) |
| Daily
19:00
Saint Louis (STL) 1
20:33
Chicago O'Hare (ORD) 2 Lufthansa LH 8793 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 5417) |
| Daily
11:05
Saint Louis (STL) 1
12:40
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4405) |
| Daily
13:10
Saint Louis (STL) 1
14:38
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4592) |
| Daily
13:11
Saint Louis (STL) 1
14:44
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4428) |
| Daily
13:14
Saint Louis (STL) 1
14:47
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4413) |
| Daily
13:14
Saint Louis (STL) 1
14:43
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4592) |
| Daily
13:15
Saint Louis (STL) 1
14:50
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4437) |
| Daily
13:27
Saint Louis (STL) 1
14:55
Chicago O'Hare (ORD) 2 Lufthansa LH 8923 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 3528) |
| Daily
15:15
Saint Louis (STL) 1
16:43
Chicago O'Hare (ORD) 1 Lufthansa LH 8923 Non-stop Airbus A319 (319) 1:28 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 1761) |
| Fri
09:32
Saint Louis (STL) 1
11:01
Chicago O'Hare (ORD) 3 Qatar Airways QR 9002 Non-stop Embraer EMB 175 (E75) 1:29 Operates only on 2026-03-13 Codeshare flight, operated by American Airlines.(AA 4460) |
| Tue
14:21
Saint Louis (STL) 1
15:44
Chicago O'Hare (ORD) 3 Qatar Airways QR 9004 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Operates only on 2026-03-31 Codeshare flight, operated by American Airlines.(AA 3547) |
| Tue
15:20
Saint Louis (STL) 1
16:42
Chicago O'Hare (ORD) 3 Qatar Airways QR 9004 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Operates only on 2026-01-06 Codeshare flight, operated by American Airlines.(AA 3458) |
| Daily
07:38
Saint Louis (STL) 1
09:05
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Boeing 737-800 (738) 1:27 Effective from 2026-10-25 Codeshare flight, operated by American Airlines.(AA 1997) |
| Mon
09:32
Saint Louis (STL) 1
11:01
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Embraer EMB 175 (E75) 1:29 Operates only on 2026-04-06 Codeshare flight, operated by American Airlines.(AA 4460) |
| Tue
10:04
Saint Louis (STL) 1
11:28
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Operates only on 2026-03-10 Codeshare flight, operated by American Airlines.(AA 3712) |
| Mon,Wed-Fri,Sun
10:07
Saint Louis (STL) 1
11:31
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Effective 2026-03-08 through 2026-03-13 Codeshare flight, operated by American Airlines.(AA 3712) |
| Tue
14:21
Saint Louis (STL) 1
15:44
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Effective 2026-03-17 through 2026-03-24 Codeshare flight, operated by American Airlines.(AA 3547) |
| Mon,Wed-Fri,Sun
14:32
Saint Louis (STL) 1
15:55
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Effective 2026-03-15 through 2026-03-30 Codeshare flight, operated by American Airlines.(AA 3547) |
| Daily
16:32
Saint Louis (STL) 1
18:00
Chicago O'Hare (ORD) 3 Qatar Airways QR 9031 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-10-05 through 2026-10-24 Codeshare flight, operated by American Airlines.(AA 3479) |
| Tue
10:04
Saint Louis (STL) 1
11:28
Chicago O'Hare (ORD) 3 Qatar Airways QR 9073 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Operates only on 2026-03-31 Codeshare flight, operated by American Airlines.(AA 3712) |
| Daily
09:46
Saint Louis (STL) 1
11:10
Chicago O'Hare (ORD) 3 Qatar Airways QR 9090 Non-stop Canadair CRJ 700 (CR7) 1:24 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 6381) |
| Daily
08:35
Saint Louis (STL) 1
10:05
Chicago O'Hare (ORD) 3 Qatar Airways QR 9322 Non-stop Canadair CRJ 700 (CR7) 1:30 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 6324) |
| Mon,Wed-Fri,Sun
14:06
Saint Louis (STL) 1
15:35
Chicago O'Hare (ORD) 3 Qatar Airways QR 9322 Non-stop Canadair CRJ 700 (CR7) 1:29 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 5003) |
| Sat
14:08
Saint Louis (STL) 1
15:34
Chicago O'Hare (ORD) 3 Qatar Airways QR 9322 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:26 Valid until 2026-01-03 Codeshare flight, operated by American Airlines.(AA 4175) |
| Sat
13:40
Saint Louis (STL) 1
15:09
Chicago O'Hare (ORD) 3 Qatar Airways QR 9365 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-01-10 through 2026-02-07 Codeshare flight, operated by American Airlines.(AA 6356) |
| Mon-Fri,Sun
14:24
Saint Louis (STL) 1
15:51
Chicago O'Hare (ORD) 3 Qatar Airways QR 9365 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-12 through 2026-03-06 Codeshare flight, operated by American Airlines.(AA 6369) |
| Sat
14:25
Saint Louis (STL) 1
15:56
Chicago O'Hare (ORD) 3 Qatar Airways QR 9365 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2026-03-14 through 2026-04-04 Codeshare flight, operated by American Airlines.(AA 6369) |
| Sat
14:26
Saint Louis (STL) 1
15:53
Chicago O'Hare (ORD) 3 Qatar Airways QR 9365 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-14 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 6369) |
- 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.
