All airlines flying from O'Hare, Chicago (ORD) to Saint Louis (STL).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed,Thu 20:20 O'Hare, Chicago (ORD) 3 21:33 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:13 Effective 2024-03-06 through 2024-03-07
Codeshare flight, operated by American Airlines.(AA 1073)
Mon,Wed-Fri,Sun 20:20 O'Hare, Chicago (ORD) 3 21:40 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:20 Effective 2024-03-10 through 2024-03-15
Codeshare flight, operated by American Airlines.(AA 1073)
Mon,Wed-Fri 20:20 O'Hare, Chicago (ORD) 3 21:40 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:20 Effective 2024-03-18 through 2024-04-03
Codeshare flight, operated by American Airlines.(AA 1073)
Daily 20:20 O'Hare, Chicago (ORD) 3 21:31 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:11 Effective from 2024-10-27
Codeshare flight, operated by American Airlines.(AA 1073)
Mon-Wed,Sat 20:21 O'Hare, Chicago (ORD) 3 21:33 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:12 Effective 2024-01-08 through 2024-01-23
Codeshare flight, operated by American Airlines.(AA 1073)
Mon,Tue,Sat 20:21 O'Hare, Chicago (ORD) 3 21:33 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:12 Effective 2024-01-27 through 2024-02-06
Codeshare flight, operated by American Airlines.(AA 1073)
Mon-Wed,Sat 20:21 O'Hare, Chicago (ORD) 3 21:33 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:12 Effective 2024-02-07 through 2024-02-14
Codeshare flight, operated by American Airlines.(AA 1073)
Thu,Fri,Sun 20:24 O'Hare, Chicago (ORD) 3 21:36 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:12 Effective 2024-01-11 through 2024-01-14
Codeshare flight, operated by American Airlines.(AA 1073)
Thu,Fri,Sun 20:24 O'Hare, Chicago (ORD) 3 21:36 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:12 Effective 2024-01-19 through 2024-01-25
Codeshare flight, operated by American Airlines.(AA 1073)
Thu,Fri,Sun 20:24 O'Hare, Chicago (ORD) 3 21:36 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:12 Effective 2024-01-28 through 2024-02-11
Codeshare flight, operated by American Airlines.(AA 1073)
Mon,Wed,Thu,Sun 20:30 O'Hare, Chicago (ORD) 3 21:46 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Airbus A319 (319) 1:16 Effective 2024-02-15 through 2024-03-04
Codeshare flight, operated by American Airlines.(AA 1073)
Mon-Sat 20:45 O'Hare, Chicago (ORD) 3 22:02 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Boeing 737-800 (738) 1:17 Valid until 2024-01-03
Codeshare flight, operated by American Airlines.(AA 1073)
Sat,Sun 20:45 O'Hare, Chicago (ORD) 3 22:02 Saint Louis (STL) 1
Iberia IB 4564 Non-stop Boeing 737-800 (738) 1:17 Effective 2024-01-06 through 2024-01-07
Codeshare flight, operated by American Airlines.(AA 1073)
Sat 15:14 O'Hare, Chicago (ORD) 3 16:30 Saint Louis (STL) 1
Alaska Airlines AS 4662 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:16 Effective 2024-02-17 through 2024-03-02
Codeshare flight, operated by American Airlines.(AA 3955)
Daily 20:15 O'Hare, Chicago (ORD) 3 21:35 Saint Louis (STL) 1
Iberia IB 4824 Non-stop Embraer EMB 175 (E75) 1:20 Effective from 2024-04-04
Codeshare flight, operated by American Airlines.(AA 3356)
Tue 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Operates only on 2024-04-02
Codeshare flight, operated by United Airlines.(UA 1778)
Wed 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Operates only on 2024-04-10
Codeshare flight, operated by United Airlines.(UA 1778)
Fri 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Operates only on 2024-04-19
Codeshare flight, operated by United Airlines.(UA 1778)
Sun 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Effective 2024-04-28 through 2024-05-05
Codeshare flight, operated by United Airlines.(UA 1778)
Mon 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Effective 2024-05-06 through 2024-05-13
Codeshare flight, operated by United Airlines.(UA 1778)
Tue 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Operates only on 2024-05-14
Codeshare flight, operated by United Airlines.(UA 1778)
Wed 08:50 O'Hare, Chicago (ORD) 1 10:14 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:24 Operates only on 2024-05-22
Codeshare flight, operated by United Airlines.(UA 1778)
Mon,Sun 09:00 O'Hare, Chicago (ORD) 1 10:29 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2024-01-07 through 2024-01-08
Codeshare flight, operated by United Airlines.(UA 4451)
Thu 09:04 O'Hare, Chicago (ORD) 1 10:27 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:23 Operates only on 2024-05-30
Codeshare flight, operated by United Airlines.(UA 1778)
Fri 09:04 O'Hare, Chicago (ORD) 1 10:27 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:23 Operates only on 2024-06-07
Codeshare flight, operated by United Airlines.(UA 1778)
Sat 09:04 O'Hare, Chicago (ORD) 1 10:27 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:23 Operates only on 2024-06-15
Codeshare flight, operated by United Airlines.(UA 1778)
Wed,Thu 09:12 O'Hare, Chicago (ORD) 1 10:37 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:25 Effective 2024-03-07 through 2024-03-14
Codeshare flight, operated by United Airlines.(UA 1778)
Fri,Sat 09:12 O'Hare, Chicago (ORD) 2 10:40 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2024-03-08 through 2024-03-23
Codeshare flight, operated by United Airlines.(UA 5371)
Thu 09:12 O'Hare, Chicago (ORD) 1 10:37 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:25 Operates only on 2024-03-21
Codeshare flight, operated by United Airlines.(UA 1778)
Sun 09:12 O'Hare, Chicago (ORD) 1 10:37 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A320 (320) 1:25 Operates only on 2024-03-24
Codeshare flight, operated by United Airlines.(UA 1778)
Sat 09:12 O'Hare, Chicago (ORD) 2 10:40 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Embraer EMB 175 (E7W) 1:28 Operates only on 2024-03-30
Codeshare flight, operated by United Airlines.(UA 5371)
Tue 09:15 O'Hare, Chicago (ORD) 1 10:44 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:29 Effective 2024-01-09 through 2024-01-16
Codeshare flight, operated by United Airlines.(UA 1778)
Wed,Thu 09:15 O'Hare, Chicago (ORD) 1 10:44 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:29 Effective 2024-01-17 through 2024-01-25
Codeshare flight, operated by United Airlines.(UA 1778)
Thu,Fri 09:15 O'Hare, Chicago (ORD) 1 10:44 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:29 Effective 2024-01-26 through 2024-02-01
Codeshare flight, operated by United Airlines.(UA 1778)
Fri 09:15 O'Hare, Chicago (ORD) 1 10:44 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:29 Operates only on 2024-02-09
Codeshare flight, operated by United Airlines.(UA 1778)
Sat 09:15 O'Hare, Chicago (ORD) 2 10:43 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:28 Operates only on 2024-02-17
Codeshare flight, operated by United Airlines.(UA 3664)
Sun 09:15 O'Hare, Chicago (ORD) 2 10:43 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2024-02-18 through 2024-02-25
Codeshare flight, operated by United Airlines.(UA 5456)
Mon 09:15 O'Hare, Chicago (ORD) 1 10:40 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:25 Effective 2024-02-19 through 2024-02-26
Codeshare flight, operated by United Airlines.(UA 1778)
Tue 09:15 O'Hare, Chicago (ORD) 1 10:40 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Airbus A319 (319) 1:25 Operates only on 2024-02-27
Codeshare flight, operated by United Airlines.(UA 1778)
Daily 10:50 O'Hare, Chicago (ORD) 1 12:20 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-05-23 through 2024-05-29
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 10:50 O'Hare, Chicago (ORD) 1 12:20 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-05-31 through 2024-06-06
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 10:50 O'Hare, Chicago (ORD) 1 12:20 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2024-06-08 through 2024-06-14
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 10:50 O'Hare, Chicago (ORD) 1 12:20 Saint Louis (STL) 1
Air Canada AC 4900 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective from 2024-06-16
Codeshare flight, operated by United Airlines.(UA 4394)
Daily 19:40 O'Hare, Chicago (ORD) 1 21:04 Saint Louis (STL) 1
Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective from 2024-05-23
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:15 O'Hare, Chicago (ORD) 1 21:44 Saint Louis (STL) 1
Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2024-01-09 through 2024-02-14
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:20 O'Hare, Chicago (ORD) 1 21:51 Saint Louis (STL) 1
Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2024-02-15 through 2024-03-06
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:20 O'Hare, Chicago (ORD) 1 21:52 Saint Louis (STL) 1
Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2024-03-07 through 2024-03-30
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:20 O'Hare, Chicago (ORD) 1 21:49 Saint Louis (STL) 1
Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2024-03-31 through 2024-05-22
Codeshare flight, operated by United Airlines.(UA 4185)
Daily 20:30 O'Hare, Chicago (ORD) 1 21:59 Saint Louis (STL) 1
Air Canada AC 4914 Non-stop Canadair CRJ 550 (CR5) 1:29 Valid until 2024-01-08
Codeshare flight, operated by United Airlines.(UA 4185)
Mon-Sat 13:55 O'Hare, Chicago (ORD) 1 15:20 Saint Louis (STL) 1
Air Canada AC 4916 Non-stop Boeing 737-900 (739) 1:25 Effective 2024-01-09 through 2024-02-10
Codeshare flight, operated by United Airlines.(UA 528)
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All airlines flying from O'Hare, Chicago (ORD) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4564
20:20
O'Hare, Chicago (ORD) 3

21:33
Saint Louis (STL) 1
Effective 2024-03-06 through 2024-03-07
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:13, non-stop
Airbus A319 (319)
Iberia IB4564
20:20
O'Hare, Chicago (ORD) 3

21:40
Saint Louis (STL) 1
Effective 2024-03-10 through 2024-03-15
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:20, non-stop
Airbus A319 (319)
Iberia IB4564
20:20
O'Hare, Chicago (ORD) 3

21:40
Saint Louis (STL) 1
Effective 2024-03-18 through 2024-04-03
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:20, non-stop
Airbus A319 (319)
Iberia IB4564
20:20
O'Hare, Chicago (ORD) 3

21:31
Saint Louis (STL) 1
Effective from 2024-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:11, non-stop
Airbus A319 (319)
Iberia IB4564
20:21
O'Hare, Chicago (ORD) 3

21:33
Saint Louis (STL) 1
Effective 2024-01-08 through 2024-01-23
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:12, non-stop
Airbus A319 (319)
Iberia IB4564
20:21
O'Hare, Chicago (ORD) 3

21:33
Saint Louis (STL) 1
Effective 2024-01-27 through 2024-02-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:12, non-stop
Airbus A319 (319)
Iberia IB4564
20:21
O'Hare, Chicago (ORD) 3

21:33
Saint Louis (STL) 1
Effective 2024-02-07 through 2024-02-14
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:12, non-stop
Airbus A319 (319)
Iberia IB4564
20:24
O'Hare, Chicago (ORD) 3

21:36
Saint Louis (STL) 1
Effective 2024-01-11 through 2024-01-14
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:12, non-stop
Airbus A319 (319)
Iberia IB4564
20:24
O'Hare, Chicago (ORD) 3

21:36
Saint Louis (STL) 1
Effective 2024-01-19 through 2024-01-25
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:12, non-stop
Airbus A319 (319)
Iberia IB4564
20:24
O'Hare, Chicago (ORD) 3

21:36
Saint Louis (STL) 1
Effective 2024-01-28 through 2024-02-11
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:12, non-stop
Airbus A319 (319)
Iberia IB4564
20:30
O'Hare, Chicago (ORD) 3

21:46
Saint Louis (STL) 1
Effective 2024-02-15 through 2024-03-04
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:16, non-stop
Airbus A319 (319)
Iberia IB4564
20:45
O'Hare, Chicago (ORD) 3

22:02
Saint Louis (STL) 1
Valid until 2024-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:17, non-stop
Boeing 737-800 (738)
Iberia IB4564
20:45
O'Hare, Chicago (ORD) 3

22:02
Saint Louis (STL) 1
Effective 2024-01-06 through 2024-01-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1073)
Duration: 1:17, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4662
15:14
O'Hare, Chicago (ORD) 3

16:30
Saint Louis (STL) 1
Effective 2024-02-17 through 2024-03-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3955)
Duration: 1:16, non-stop
Embraer EMB 170 / EMB 175 (E70)
Iberia IB4824
20:15
O'Hare, Chicago (ORD) 3

21:35
Saint Louis (STL) 1
Effective from 2024-04-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3356)
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Operates only on 2024-04-02
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Operates only on 2024-04-10
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Operates only on 2024-04-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Effective 2024-04-28 through 2024-05-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Effective 2024-05-06 through 2024-05-13
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Operates only on 2024-05-14
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
08:50
O'Hare, Chicago (ORD) 1

10:14
Saint Louis (STL) 1
Operates only on 2024-05-22
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:24, non-stop
Airbus A320 (320)
Air Canada AC4900
09:00
O'Hare, Chicago (ORD) 1

10:29
Saint Louis (STL) 1
Effective 2024-01-07 through 2024-01-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4451)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4900
09:04
O'Hare, Chicago (ORD) 1

10:27
Saint Louis (STL) 1
Operates only on 2024-05-30
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:23, non-stop
Airbus A319 (319)
Air Canada AC4900
09:04
O'Hare, Chicago (ORD) 1

10:27
Saint Louis (STL) 1
Operates only on 2024-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:23, non-stop
Airbus A319 (319)
Air Canada AC4900
09:04
O'Hare, Chicago (ORD) 1

10:27
Saint Louis (STL) 1
Operates only on 2024-06-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:23, non-stop
Airbus A319 (319)
Air Canada AC4900
09:12
O'Hare, Chicago (ORD) 1

10:37
Saint Louis (STL) 1
Effective 2024-03-07 through 2024-03-14
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:25, non-stop
Airbus A319 (319)
Air Canada AC4900
09:12
O'Hare, Chicago (ORD) 2

10:40
Saint Louis (STL) 1
Effective 2024-03-08 through 2024-03-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5371)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4900
09:12
O'Hare, Chicago (ORD) 1

10:37
Saint Louis (STL) 1
Operates only on 2024-03-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:25, non-stop
Airbus A319 (319)
Air Canada AC4900
09:12
O'Hare, Chicago (ORD) 1

10:37
Saint Louis (STL) 1
Operates only on 2024-03-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:25, non-stop
Airbus A320 (320)
Air Canada AC4900
09:12
O'Hare, Chicago (ORD) 2

10:40
Saint Louis (STL) 1
Operates only on 2024-03-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5371)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 1

10:44
Saint Louis (STL) 1
Effective 2024-01-09 through 2024-01-16
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:29, non-stop
Airbus A319 (319)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 1

10:44
Saint Louis (STL) 1
Effective 2024-01-17 through 2024-01-25
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:29, non-stop
Airbus A319 (319)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 1

10:44
Saint Louis (STL) 1
Effective 2024-01-26 through 2024-02-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:29, non-stop
Airbus A319 (319)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 1

10:44
Saint Louis (STL) 1
Operates only on 2024-02-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:29, non-stop
Airbus A319 (319)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 2

10:43
Saint Louis (STL) 1
Operates only on 2024-02-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 3664)
Duration: 1:28, non-stop
Embraer EMB 170 / EMB 175 (E70)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 2

10:43
Saint Louis (STL) 1
Effective 2024-02-18 through 2024-02-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5456)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 1

10:40
Saint Louis (STL) 1
Effective 2024-02-19 through 2024-02-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:25, non-stop
Airbus A319 (319)
Air Canada AC4900
09:15
O'Hare, Chicago (ORD) 1

10:40
Saint Louis (STL) 1
Operates only on 2024-02-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1778)
Duration: 1:25, non-stop
Airbus A319 (319)
Air Canada AC4900
10:50
O'Hare, Chicago (ORD) 1

12:20
Saint Louis (STL) 1
Effective 2024-05-23 through 2024-05-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4900
10:50
O'Hare, Chicago (ORD) 1

12:20
Saint Louis (STL) 1
Effective 2024-05-31 through 2024-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4900
10:50
O'Hare, Chicago (ORD) 1

12:20
Saint Louis (STL) 1
Effective 2024-06-08 through 2024-06-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4900
10:50
O'Hare, Chicago (ORD) 1

12:20
Saint Louis (STL) 1
Effective from 2024-06-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4394)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4914
19:40
O'Hare, Chicago (ORD) 1

21:04
Saint Louis (STL) 1
Effective from 2024-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:24, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4914
20:15
O'Hare, Chicago (ORD) 1

21:44
Saint Louis (STL) 1
Effective 2024-01-09 through 2024-02-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4914
20:20
O'Hare, Chicago (ORD) 1

21:51
Saint Louis (STL) 1
Effective 2024-02-15 through 2024-03-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4914
20:20
O'Hare, Chicago (ORD) 1

21:52
Saint Louis (STL) 1
Effective 2024-03-07 through 2024-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4914
20:20
O'Hare, Chicago (ORD) 1

21:49
Saint Louis (STL) 1
Effective 2024-03-31 through 2024-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4914
20:30
O'Hare, Chicago (ORD) 1

21:59
Saint Louis (STL) 1
Valid until 2024-01-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4185)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4916
13:55
O'Hare, Chicago (ORD) 1

15:20
Saint Louis (STL) 1
Effective 2024-01-09 through 2024-02-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 528)
Duration: 1:25, non-stop
Boeing 737-900 (739)
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  • A domestic route departing from the O'Hare, Chicago 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 1:11 and 1:37.
Return (STL-ORD) flights
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