All airlines flying from Chicago O'Hare (ORD) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Mon,Tue,Thu-Sun
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4912 Non-stop Airbus A319 (319) 1:25 Effective 2026-02-12 through 2026-02-24 Codeshare flight, operated by United Airlines.(UA 2005) |
| Mon-Wed,Fri
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4912 Non-stop Airbus A319 (319) 1:25 Effective 2026-02-25 through 2026-03-03 Codeshare flight, operated by United Airlines.(UA 2005) |
| Wed
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4912 Non-stop Airbus A320 (320) 1:25 Operates only on 2026-03-04 Codeshare flight, operated by United Airlines.(UA 2005) |
| Fri
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4912 Non-stop Boeing 737-900 (739) 1:25 Operates only on 2026-03-06 Codeshare flight, operated by United Airlines.(UA 2379) |
| Thu
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4912 Non-stop Boeing 737-900 (739) 1:25 Operates only on 2026-03-19 Codeshare flight, operated by United Airlines.(UA 2379) |
| Fri
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4912 Non-stop Boeing 737-900 (739) 1:25 Operates only on 2026-03-27 Codeshare flight, operated by United Airlines.(UA 2379) |
| Mon,Tue,Sat
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:28 Effective 2026-03-31 through 2026-04-06 Codeshare flight, operated by United Airlines.(UA 485) |
| Tue,Wed,Sun
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:28 Effective 2026-04-08 through 2026-04-14 Codeshare flight, operated by United Airlines.(UA 485) |
| Mon,Wed,Thu
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:28 Effective 2026-04-16 through 2026-04-22 Codeshare flight, operated by United Airlines.(UA 485) |
| Wed,Fri
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:28 Effective 2026-04-24 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 485) |
| Daily
19:40
Chicago O'Hare (ORD) 2
21:13
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4185) |
| Wed
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:25 Operates only on 2026-02-18 Codeshare flight, operated by United Airlines.(UA 2005) |
| Thu,Sat,Sun
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:25 Effective 2026-02-26 through 2026-03-01 Codeshare flight, operated by United Airlines.(UA 2005) |
| Sat
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Boeing 737-700 (73G) 1:25 Operates only on 2026-03-07 Codeshare flight, operated by United Airlines.(UA 2379) |
| Sat
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Boeing 737-700 (73G) 1:25 Operates only on 2026-03-28 Codeshare flight, operated by United Airlines.(UA 2379) |
| Daily
19:40
Chicago O'Hare (ORD) 1
21:04
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Airbus A319 (319) 1:24 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 485) |
| Daily
19:40
Chicago O'Hare (ORD) 2
21:04
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4185) |
| Mon-Wed
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Boeing 737-900 (739) 1:25 Effective 2026-03-09 through 2026-03-11 Codeshare flight, operated by United Airlines.(UA 2379) |
| Daily
20:10
Chicago O'Hare (ORD) 2
21:43
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:33 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4185) |
| Mon,Tue,Thu,Fri,Sun
20:10
Chicago O'Hare (ORD) 2
21:40
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-02-12 through 2026-02-24 Codeshare flight, operated by United Airlines.(UA 4515) |
| Mon-Wed,Fri
20:10
Chicago O'Hare (ORD) 2
21:40
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-02-25 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4515) |
| Thu,Fri,Sun
20:12
Chicago O'Hare (ORD) 2
21:42
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-05 through 2026-03-13 Codeshare flight, operated by United Airlines.(UA 4596) |
| Daily
20:12
Chicago O'Hare (ORD) 2
21:42
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-14 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 4596) |
| Mon,Wed-Fri,Sun
20:15
Chicago O'Hare (ORD) 2
21:47
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2026-03-29 through 2026-04-05 Codeshare flight, operated by United Airlines.(UA 4596) |
| Mon,Tue,Thu-Sat
20:15
Chicago O'Hare (ORD) 2
21:47
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2026-04-07 through 2026-04-13 Codeshare flight, operated by United Airlines.(UA 4596) |
| Tue,Wed,Fri-Sun
20:15
Chicago O'Hare (ORD) 2
21:47
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2026-04-15 through 2026-04-21 Codeshare flight, operated by United Airlines.(UA 4596) |
| Mon,Tue,Thu,Sat,Sun
20:15
Chicago O'Hare (ORD) 2
21:47
Saint Louis (STL) 1 Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2026-04-23 through 2026-04-28 Codeshare flight, operated by United Airlines.(UA 4596) |
| Daily
14:03
Chicago O'Hare (ORD) 1
15:21
Saint Louis (STL) 1 Air Canada AC 4916 Non-stop Airbus A319 (319) 1:18 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 2000) |
| Daily
14:33
Chicago O'Hare (ORD) 2
16:02
Saint Louis (STL) 1 Air Canada AC 4916 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4516) |
| Daily
14:35
Chicago O'Hare (ORD) 2
16:03
Saint Louis (STL) 1 Air Canada AC 4916 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4516) |
| Mon-Sat
14:35
Chicago O'Hare (ORD) 2
16:04
Saint Louis (STL) 1 Air Canada AC 4916 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4518) |
| Mon
15:00
Chicago O'Hare (ORD) 2
16:27
Saint Louis (STL) 1 Air Canada AC 4916 Non-stop Canadair CRJ 550 (CR5) 1:27 Operates only on 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 Air Canada AC 4916 Non-stop Embraer EMB 175 (E7W) 1:23 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 5214) |
| Daily
17:50
Chicago O'Hare (ORD) 2
19:18
Saint Louis (STL) 1 Air Canada AC 4926 Non-stop Canadair CRJ 550 (CR5) 1:28 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4416) |
| Daily
17:50
Chicago O'Hare (ORD) 2
19:14
Saint Louis (STL) 1 Air Canada AC 4926 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-12 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4416) |
| Daily
17:55
Chicago O'Hare (ORD) 2
19:26
Saint Louis (STL) 1 Air Canada AC 4926 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4416) |
| Daily
17:59
Chicago O'Hare (ORD) 2
19:27
Saint Louis (STL) 1 Air Canada AC 4926 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4416) |
| Daily
18:00
Chicago O'Hare (ORD) 2
19:25
Saint Louis (STL) 1 Air Canada AC 4926 Non-stop Canadair CRJ 550 (CR5) 1:25 Effective from 2026-04-30 Codeshare flight, operated by United Airlines.(UA 4416) |
| Thu
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Airbus A319 (319) 1:28 Effective 2026-04-02 through 2026-04-09 Codeshare flight, operated by United Airlines.(UA 485) |
| Fri
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Airbus A319 (319) 1:28 Effective 2026-04-10 through 2026-04-17 Codeshare flight, operated by United Airlines.(UA 485) |
| Sat,Sun
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Airbus A319 (319) 1:28 Effective 2026-04-19 through 2026-04-25 Codeshare flight, operated by United Airlines.(UA 485) |
| Mon
19:35
Chicago O'Hare (ORD) 1
21:03
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Airbus A319 (319) 1:28 Operates only on 2026-04-27 Codeshare flight, operated by United Airlines.(UA 485) |
| Sat
19:40
Chicago O'Hare (ORD) 1
21:05
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Boeing 737-700 (73G) 1:25 Effective 2026-03-14 through 2026-03-21 Codeshare flight, operated by United Airlines.(UA 2379) |
| Thu,Sun
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Boeing 737-900 (739) 1:25 Effective 2026-03-05 through 2026-03-12 Codeshare flight, operated by United Airlines.(UA 2379) |
| Mon-Wed,Fri,Sun
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Boeing 737-900 (739) 1:25 Effective 2026-03-13 through 2026-03-25 Codeshare flight, operated by United Airlines.(UA 2379) |
| Thu
19:42
Chicago O'Hare (ORD) 1
21:07
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Boeing 737-900 (739) 1:25 Operates only on 2026-03-26 Codeshare flight, operated by United Airlines.(UA 2379) |
| Wed
20:10
Chicago O'Hare (ORD) 2
21:40
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Canadair CRJ 550 (CR5) 1:30 Operates only on 2026-02-18 Codeshare flight, operated by United Airlines.(UA 4515) |
| Thu,Sun
20:10
Chicago O'Hare (ORD) 2
21:40
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-02-26 through 2026-03-01 Codeshare flight, operated by United Airlines.(UA 4515) |
| Sat
20:12
Chicago O'Hare (ORD) 2
21:41
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Canadair CRJ 550 (CR5) 1:29 Operates only on 2026-03-07 Codeshare flight, operated by United Airlines.(UA 4596) |
| Mon-Wed
20:12
Chicago O'Hare (ORD) 2
21:42
Saint Louis (STL) 1 Air Canada AC 4930 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2026-03-09 through 2026-03-11 Codeshare flight, operated by United Airlines.(UA 4596) |
- 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.
