Air Canada flight AC 4937: Saint Louis - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu-Sun 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-21 through 2025-08-28
Codeshare flight, operated by United Airlines.(UA 4399)
Daily 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-30 through 2025-09-08
Codeshare flight, operated by United Airlines.(UA 4399)
Mon,Tue,Thu-Sun 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-11 through 2025-09-18
Codeshare flight, operated by United Airlines.(UA 4399)
Mon-Wed,Sat,Sun 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-09-20 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 4399)
Fri,Sun 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-05-23 through 2025-05-30
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Tue,Thu 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-05-27 through 2025-06-02
Codeshare flight, operated by United Airlines.(UA 5323)
Wed,Fri,Sat 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-05-31 through 2025-06-07
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Tue,Thu 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-06-09 through 2025-06-12
Codeshare flight, operated by United Airlines.(UA 5323)
Fri-Sun 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-06-14 through 2025-06-20
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Tue,Thu 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-06-17 through 2025-06-23
Codeshare flight, operated by United Airlines.(UA 5323)
Wed,Sun 13:10 Saint Louis (STL) 1 14:40 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-06-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 5323)
Tue,Wed,Fri 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-06-27 through 2025-07-08
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Wed,Thu 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-07-10 through 2025-07-16
Codeshare flight, operated by United Airlines.(UA 5323)
Tue,Thu,Fri 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-07-18 through 2025-07-24
Codeshare flight, operated by United Airlines.(UA 5323)
Mon-Wed,Fri 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-07-29 through 2025-08-04
Codeshare flight, operated by United Airlines.(UA 5323)
Tue,Wed,Fri 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-08-06 through 2025-08-12
Codeshare flight, operated by United Airlines.(UA 5323)
Mon,Thu 13:20 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2025-08-14 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 5323)
Sun 13:25 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-06-29 through 2025-07-06
Codeshare flight, operated by United Airlines.(UA 4485)
Sat 13:25 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Operates only on 2025-07-12
Codeshare flight, operated by United Airlines.(UA 4485)
Sat,Sun 13:25 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-07-20 through 2025-07-26
Codeshare flight, operated by United Airlines.(UA 4485)
Sat 13:25 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
AC 4937 Non-stop Canadair CRJ 550 (CR5) 1:30 Operates only on 2025-08-16
Codeshare flight, operated by United Airlines.(UA 4485)
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Air Canada flight AC 4937:
Saint Louis - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4937
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-08-21 through 2025-08-28
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 AC4937
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-08-30 through 2025-09-08
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 AC4937
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-09-11 through 2025-09-18
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 AC4937
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-09-20 through 2025-09-24
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 AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-05-23 through 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-05-27 through 2025-06-02
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-05-31 through 2025-06-07
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-06-09 through 2025-06-12
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-06-14 through 2025-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-06-17 through 2025-06-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:10
Saint Louis (STL) 1

14:40
Chicago O'Hare (ORD) 2
Effective 2025-06-22 through 2025-06-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-06-27 through 2025-07-08
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-07-10 through 2025-07-16
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-07-18 through 2025-07-24
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-07-29 through 2025-08-04
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-08-06 through 2025-08-12
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5323)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Air Canada AC4937
13:20
Saint Louis (STL) 1

14:50
Chicago O'Hare (ORD) 2
Effective 2025-08-14 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)
Air Canada AC4937
13:25
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2025-06-29 through 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4485)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:25
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Operates only on 2025-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4485)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:25
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective 2025-07-20 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4485)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Air Canada AC4937
13:25
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Operates only on 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4485)
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
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Parallax here STL-ORD
  • AC 4937 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 is 1:30.
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