Air Canada flight AC 4923: Saint Louis - Chicago O'Hare

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:40 Saint Louis (STL) 1 11:10 Chicago O'Hare (ORD) 2
AC 4923 Non-stop Canadair CRJ 550 (CR5) 1:30 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 4399)
Daily 11:20 Saint Louis (STL) 1 12:52 Chicago O'Hare (ORD) 2
AC 4923 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4432)
Daily 11:20 Saint Louis (STL) 1 12:50 Chicago O'Hare (ORD) 2
AC 4923 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 4395)
Daily 11:25 Saint Louis (STL) 1 12:57 Chicago O'Hare (ORD) 2
AC 4923 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4383)
Daily 11:45 Saint Louis (STL) 1 13:12 Chicago O'Hare (ORD) 2
AC 4923 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 4395)
Daily 12:28 Saint Louis (STL) 1 13:53 Chicago O'Hare (ORD) 1
AC 4923 Non-stop Boeing 737-800 (738) 1:25 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2144)
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Air Canada flight AC 4923:
Saint Louis - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4923
09:40
Saint Louis (STL) 1

11:10
Chicago O'Hare (ORD) 2
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4399)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4923
11:20
Saint Louis (STL) 1

12:52
Chicago O'Hare (ORD) 2
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4432)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4923
11:20
Saint Louis (STL) 1

12:50
Chicago O'Hare (ORD) 2
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4923
11:25
Saint Louis (STL) 1

12:57
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 4383)
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4923
11:45
Saint Louis (STL) 1

13:12
Chicago O'Hare (ORD) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4395)
Duration: 1:27, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4923
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)
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  • AC 4923 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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