All airlines flying from Chicago O'Hare (ORD) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Daily
20:10
Chicago O'Hare (ORD) 2
21:43
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:33 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4185) |
| Mon-Fri,Sun
20:10
Chicago O'Hare (ORD) 2
21:40
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4515) |
| Thu,Fri
20:12
Chicago O'Hare (ORD) 2
21:42
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-05 through 2026-03-06 Codeshare flight, operated by United Airlines.(UA 4596) |
| Sat
20:12
Chicago O'Hare (ORD) 2
21:41
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:29 Operates only on 2026-03-07 Codeshare flight, operated by United Airlines.(UA 4596) |
| Daily
21:20
Chicago O'Hare (ORD) 2
22:44
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-05-21 through 2026-08-17 Codeshare flight, operated by United Airlines.(UA 4576) |
| Mon-Fri,Sun
21:25
Chicago O'Hare (ORD) 2
22:58
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-06 through 2026-01-16 Codeshare flight, operated by United Airlines.(UA 4487) |
| Mon-Fri,Sun
21:25
Chicago O'Hare (ORD) 2
22:58
Saint Louis (STL) 1 Lufthansa LH 7826 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 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 4576) |
| Daily
21:33
Chicago O'Hare (ORD) 2
22:59
Saint Louis (STL) 1 Lufthansa LH 7826 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-03-08 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4576) |
| Daily
22:05
Chicago O'Hare (ORD) 3
23:25
Saint Louis (STL) 1 Qatar Airways QR 7855 Non-stop Airbus A319 (319) 1:20 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 2630) |
| Mon,Tue,Thu,Sun
22:15
Chicago O'Hare (ORD) 3
23:44
Saint Louis (STL) 1 Qatar Airways QR 7855 Non-stop Embraer EMB 175 (E75) 1:29 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4576) |
| Fri
22:30
Chicago O'Hare (ORD) 3
23:55
Saint Louis (STL) 1 Qatar Airways QR 7855 Non-stop Embraer EMB 175 (E75) 1:25 Valid until 2026-01-02 Codeshare flight, operated by American Airlines.(AA 3353) |
| Thu
11:40
Chicago O'Hare (ORD) 3
13:03
Saint Louis (STL) 1 Royal Jordanian RJ 7875 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:23 Operates only on 2026-01-08 Codeshare flight, operated by American Airlines.(AA 3764) |
| Sat
12:19
Chicago O'Hare (ORD) 3
13:38
Saint Louis (STL) 1 Royal Jordanian RJ 7875 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:19 Valid until 2026-01-03 Codeshare flight, operated by American Airlines.(AA 3764) |
| Wed
13:25
Chicago O'Hare (ORD) 3
14:50
Saint Louis (STL) 1 Royal Jordanian RJ 7875 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Operates only on 2026-01-07 Codeshare flight, operated by American Airlines.(AA 3764) |
| Daily
18:35
Chicago O'Hare (ORD) 3
20:02
Saint Louis (STL) 1 Iberia IB 8055 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 Iberia IB 8055 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 Iberia IB 8055 Non-stop Boeing 737-800 (738) 1:28 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 2444) |
| Daily
18:35
Chicago O'Hare (ORD) 3
20:08
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Boeing 737-800 (738) 1:33 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 2444) |
| Daily
18:53
Chicago O'Hare (ORD) 3
20:19
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Boeing 737-800 (738) 1:26 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 2444) |
| Mon-Fri,Sun
19:50
Chicago O'Hare (ORD) 3
21:15
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-01-06 through 2026-01-20 Codeshare flight, operated by American Airlines.(AA 3742) |
| Mon,Tue,Thu,Fri,Sun
19:50
Chicago O'Hare (ORD) 3
21:15
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-01-22 through 2026-02-01 Codeshare flight, operated by American Airlines.(AA 3742) |
| Tue,Thu,Fri,Sun
19:50
Chicago O'Hare (ORD) 3
21:15
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-02-03 through 2026-02-10 Codeshare flight, operated by American Airlines.(AA 3742) |
| Tue
20:55
Chicago O'Hare (ORD) 3
22:09
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:14 Effective 2026-02-17 through 2026-02-24 Codeshare flight, operated by American Airlines.(AA 1926) |
| Tue,Wed
20:55
Chicago O'Hare (ORD) 3
22:09
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:14 Effective 2026-02-25 through 2026-03-04 Codeshare flight, operated by American Airlines.(AA 1926) |
| Sun
21:42
Chicago O'Hare (ORD) 3
22:56
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:14 Operates only on 2026-02-15 Codeshare flight, operated by American Airlines.(AA 1926) |
| Thu,Fri
22:14
Chicago O'Hare (ORD) 3
23:28
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:14 Effective 2026-02-12 through 2026-02-20 Codeshare flight, operated by American Airlines.(AA 1926) |
| Mon,Thu,Fri,Sun
22:14
Chicago O'Hare (ORD) 3
23:28
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:14 Effective 2026-02-22 through 2026-03-06 Codeshare flight, operated by American Airlines.(AA 1926) |
| Fri
22:22
Chicago O'Hare (ORD) 3
23:39
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:17 Effective 2026-03-13 through 2026-04-03 Codeshare flight, operated by American Airlines.(AA 1926) |
| Mon-Thu,Sun
22:30
Chicago O'Hare (ORD) 3
23:48
Saint Louis (STL) 1 Iberia IB 8055 Non-stop Airbus A319 (319) 1:18 Effective 2026-03-08 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 1926) |
| Daily
22:05
Chicago O'Hare (ORD) 3
23:20
Saint Louis (STL) 1 Iberia IB 8059 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-07-02 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 1466) |
| Daily
20:20
Chicago O'Hare (ORD) 3
21:48
Saint Louis (STL) 1 Qatar Airways QR 8658 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3555) |
| Daily
15:00
Chicago O'Hare (ORD) 2
16:27
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:27 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4518) |
| Daily
15:03
Chicago O'Hare (ORD) 2
16:26
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 5214) |
| Daily
16:15
Chicago O'Hare (ORD) 2
17:43
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-12 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4518) |
| Mon-Thu,Sat,Sun
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-12 through 2026-02-22 Codeshare flight, operated by United Airlines.(UA 4518) |
| Fri
16:20
Chicago O'Hare (ORD) 2
17:45
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Embraer EMB 175 (E7W) 1:25 Effective 2026-02-13 through 2026-02-20 Codeshare flight, operated by United Airlines.(UA 3577) |
| Tue,Sat
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-24 through 2026-03-07 Codeshare flight, operated by United Airlines.(UA 4518) |
| Daily
16:20
Chicago O'Hare (ORD) 2
17:51
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4518) |
| Daily
16:35
Chicago O'Hare (ORD) 2
17:59
Saint Louis (STL) 1 Lufthansa LH 8744 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 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 4518) |
| Mon,Wed-Fri,Sun
21:33
Chicago O'Hare (ORD) 2
22:59
Saint Louis (STL) 1 Lufthansa LH 8744 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-02-23 through 2026-03-06 Codeshare flight, operated by United Airlines.(UA 4576) |
| Mon,Wed,Thu,Sun
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Lufthansa LH 8890 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-23 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 Lufthansa LH 8890 Non-stop Embraer EMB 175 (E7W) 1:25 Operates only on 2026-02-27 Codeshare flight, operated by United Airlines.(UA 3577) |
| Thu,Fri
16:20
Chicago O'Hare (ORD) 2
17:44
Saint Louis (STL) 1 Lufthansa LH 8890 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-03-05 through 2026-03-06 Codeshare flight, operated by United Airlines.(UA 6017) |
| Mon,Wed-Sun
14:03
Chicago O'Hare (ORD) 1
15:21
Saint Louis (STL) 1 Lufthansa LH 8922 Non-stop Airbus A319 (319) 1:18 Effective 2026-05-21 through 2026-06-01 Codeshare flight, operated by United Airlines.(UA 2000) |
| Daily
14:03
Chicago O'Hare (ORD) 1
15:21
Saint Louis (STL) 1 Lufthansa LH 8922 Non-stop Airbus A319 (319) 1:18 Effective 2026-06-02 through 2026-06-08 Codeshare flight, operated by United Airlines.(UA 2000) |
| Mon,Wed-Sun
14:03
Chicago O'Hare (ORD) 1
15:21
Saint Louis (STL) 1 Lufthansa LH 8922 Non-stop Airbus A319 (319) 1:18 Effective 2026-06-10 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 2000) |
| Tue-Sun
14:35
Chicago O'Hare (ORD) 2
16:03
Saint Louis (STL) 1 Lufthansa LH 8922 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-01-11 Codeshare flight, operated by United Airlines.(UA 4516) |
| Daily
15:03
Chicago O'Hare (ORD) 2
16:26
Saint Louis (STL) 1 Lufthansa LH 8922 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 5214) |
- 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.
