Austrian flight OS 7736: Saint Louis - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 11:20 Saint Louis (STL) 1 12:52 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:32 Operates only on 2025-05-22
Codeshare flight, operated by United Airlines.(UA 4432)
Mon,Wed,Fri-Sun 11:45 Saint Louis (STL) 1 13:12 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2025-12-19 through 2026-01-02
Codeshare flight, operated by United Airlines.(UA 4395)
Mon 11:45 Saint Louis (STL) 1 13:12 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:27 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4395)
Mon,Tue,Thu-Sun 12:28 Saint Louis (STL) 1 13:53 Chicago O'Hare (ORD) 1
OS 7736 Non-stop Boeing 737-800 (738) 1:25 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2144)
Mon,Tue,Thu-Sun 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-19 through 2025-09-23
Codeshare flight, operated by United Airlines.(UA 4399)
Thu,Fri,Sun 13:10 Saint Louis (STL) 1 14:39 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:29 Valid until 2025-05-04
Codeshare flight, operated by United Airlines.(UA 5323)
Sat 13:10 Saint Louis (STL) 1 14:39 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:29 Operates only on 2025-05-03
Codeshare flight, operated by United Airlines.(UA 4497)
Mon,Tue,Thu-Sun 13:10 Saint Louis (STL) 1 14:39 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2025-05-05 through 2025-05-20
Codeshare flight, operated by United Airlines.(UA 5323)
Fri-Sun 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-05-23 through 2025-06-22
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Tue,Thu 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-05-26 through 2025-06-24
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Tue,Thu,Fri 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 5323)
Sat,Sun 13:25 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-06-28 through 2025-08-17
Codeshare flight, operated by United Airlines.(UA 4485)
Mon,Wed,Fri 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2025-10-27 through 2025-12-05
Codeshare flight, operated by United Airlines.(UA 3611)
Mon,Wed,Fri-Sun 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2025-12-06 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 3611)
Mon,Wed,Fri,Sun 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-01-07 through 2026-01-16
Codeshare flight, operated by United Airlines.(UA 3611)
Mon,Wed,Fri,Sun 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-01-19 through 2026-01-30
Codeshare flight, operated by United Airlines.(UA 3611)
Mon,Wed,Fri,Sun 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-02-02 through 2026-02-13
Codeshare flight, operated by United Airlines.(UA 3611)
Mon,Wed,Fri,Sun 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
OS 7736 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2026-02-16
Codeshare flight, operated by United Airlines.(UA 3611)
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Austrian flight OS 7736:
Saint Louis - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7736
11:20
Saint Louis (STL) 1

12:52
Chicago O'Hare (ORD) 2
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4432)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
11:45
Saint Louis (STL) 1

13:12
Chicago O'Hare (ORD) 2
Effective 2025-12-19 through 2026-01-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:27, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
11:45
Saint Louis (STL) 1

13:12
Chicago O'Hare (ORD) 2
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:27, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
12:28
Saint Louis (STL) 1

13:53
Chicago O'Hare (ORD) 1
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2144)
Duration: 1:25, non-stop
Boeing 737-800 (738)
Austrian OS7736
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-08-19 through 2025-09-23
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
13:10
Saint Louis (STL) 1

14:39
Chicago O'Hare (ORD) 2
Valid until 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:29, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:10
Saint Louis (STL) 1

14:39
Chicago O'Hare (ORD) 2
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4497)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
13:10
Saint Louis (STL) 1

14:39
Chicago O'Hare (ORD) 2
Effective 2025-05-05 through 2025-05-20
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Austrian OS7736
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-05-23 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-05-26 through 2025-06-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:25
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2025-06-28 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4485)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Austrian OS7736
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2025-10-27 through 2025-12-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3611)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2025-12-06 through 2025-12-17
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3611)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2026-01-07 through 2026-01-16
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3611)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2026-01-19 through 2026-01-30
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3611)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2026-02-02 through 2026-02-13
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3611)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Austrian OS7736
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective from 2026-02-16
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3611)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
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Parallax here STL-ORD
  • OS 7736 is a domestic flight 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 1:25 and 1:32.
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