Air Canada flight AC 4929: Saint Louis - Chicago O'Hare

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 15:10 Saint Louis (STL) 1 16:54 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:44 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 3528)
Mon,Tue,Thu,Sun 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-06 through 2026-01-12
Codeshare flight, operated by United Airlines.(UA 3528)
Sat 15:11 Saint Louis (STL) 1 16:54 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Operates only on 2026-01-10
Codeshare flight, operated by United Airlines.(UA 4556)
Tue,Wed,Fri,Sun 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-14 through 2026-01-20
Codeshare flight, operated by United Airlines.(UA 3528)
Mon,Wed,Thu 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-22 through 2026-01-29
Codeshare flight, operated by United Airlines.(UA 3528)
Sat 15:11 Saint Louis (STL) 1 16:54 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Operates only on 2026-01-24
Codeshare flight, operated by United Airlines.(UA 4556)
Tue,Wed,Fri,Sun 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-30 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 3528)
Wed 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:44 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 3528)
Daily 15:15 Saint Louis (STL) 1 16:48 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 4513)
Daily 15:15 Saint Louis (STL) 1 16:43 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 4487)
Daily 15:15 Saint Louis (STL) 1 16:43 Chicago O'Hare (ORD) 1
AC 4929 Non-stop Airbus A319 (319) 1:28 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1761)
Mon,Wed,Thu,Sun 15:23 Saint Louis (STL) 1 16:58 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:35 Effective 2026-03-05 through 2026-03-26
Codeshare flight, operated by United Airlines.(UA 5510)
Mon,Wed,Fri,Sun 15:23 Saint Louis (STL) 1 16:53 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-03-29 through 2026-04-05
Codeshare flight, operated by United Airlines.(UA 3528)
Mon,Sat 15:23 Saint Louis (STL) 1 16:53 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-04-11 through 2026-04-18
Codeshare flight, operated by United Airlines.(UA 3528)
Tue,Sun 15:23 Saint Louis (STL) 1 16:53 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-04-21 through 2026-04-28
Codeshare flight, operated by United Airlines.(UA 3528)
Fri,Sat 15:24 Saint Louis (STL) 1 16:59 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:35 Effective 2026-03-06 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 5510)
Tue 15:30 Saint Louis (STL) 1 17:05 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Embraer EMB 175 (E7W) 1:35 Effective 2026-03-10 through 2026-03-24
Codeshare flight, operated by United Airlines.(UA 5510)
Mon,Tue,Thu,Sat 18:35 Saint Louis (STL) 1 20:04 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-31 through 2026-04-06
Codeshare flight, operated by United Airlines.(UA 4616)
Tue,Wed,Fri,Sun 18:35 Saint Louis (STL) 1 20:04 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-08 through 2026-04-14
Codeshare flight, operated by United Airlines.(UA 4616)
Mon,Wed,Thu,Sun 18:35 Saint Louis (STL) 1 20:04 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-16 through 2026-04-22
Codeshare flight, operated by United Airlines.(UA 4616)
Mon,Wed,Fri 18:35 Saint Louis (STL) 1 20:04 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-24 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 4616)
Tue,Wed,Fri 18:40 Saint Louis (STL) 1 20:23 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-07 through 2026-01-13
Codeshare flight, operated by United Airlines.(UA 4559)
Mon,Wed,Thu 18:40 Saint Louis (STL) 1 20:23 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-15 through 2026-01-21
Codeshare flight, operated by United Airlines.(UA 4559)
Tue,Fri,Sun 18:40 Saint Louis (STL) 1 20:23 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-23 through 2026-01-27
Codeshare flight, operated by United Airlines.(UA 4559)
Mon,Thu 18:40 Saint Louis (STL) 1 20:23 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-02-02 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 4559)
Tue 18:40 Saint Louis (STL) 1 20:23 Chicago O'Hare (ORD) 2
AC 4929 Non-stop Canadair CRJ 550 (CR5) 1:43 Operates only on 2026-02-10
Codeshare flight, operated by United Airlines.(UA 4559)


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Air Canada flight AC 4929:
Saint Louis - Chicago O'Hare
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4929
15:10
Saint Louis (STL) 1

16:54
Chicago O'Hare (ORD) 2
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:55
Chicago O'Hare (ORD) 2
Effective 2026-01-06 through 2026-01-12
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:54
Chicago O'Hare (ORD) 2
Operates only on 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4556)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:55
Chicago O'Hare (ORD) 2
Effective 2026-01-14 through 2026-01-20
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:55
Chicago O'Hare (ORD) 2
Effective 2026-01-22 through 2026-01-29
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:54
Chicago O'Hare (ORD) 2
Operates only on 2026-01-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4556)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:55
Chicago O'Hare (ORD) 2
Effective 2026-01-30 through 2026-02-08
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:11
Saint Louis (STL) 1

16:55
Chicago O'Hare (ORD) 2
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:15
Saint Louis (STL) 1

16:48
Chicago O'Hare (ORD) 2
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4513)
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
15:15
Saint Louis (STL) 1

16:43
Chicago O'Hare (ORD) 2
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4487)
Duration: 1:28, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
15:15
Saint Louis (STL) 1

16:43
Chicago O'Hare (ORD) 1
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1761)
Duration: 1:28, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4929
15:23
Saint Louis (STL) 1

16:58
Chicago O'Hare (ORD) 2
Effective 2026-03-05 through 2026-03-26
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5510)
Duration: 1:35, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:23
Saint Louis (STL) 1

16:53
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:23
Saint Louis (STL) 1

16:53
Chicago O'Hare (ORD) 2
Effective 2026-04-11 through 2026-04-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:23
Saint Louis (STL) 1

16:53
Chicago O'Hare (ORD) 2
Effective 2026-04-21 through 2026-04-28
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:24
Saint Louis (STL) 1

16:59
Chicago O'Hare (ORD) 2
Effective 2026-03-06 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5510)
Duration: 1:35, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
15:30
Saint Louis (STL) 1

17:05
Chicago O'Hare (ORD) 2
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5510)
Duration: 1:35, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4929
18:35
Saint Louis (STL) 1

20:04
Chicago O'Hare (ORD) 2
Effective 2026-03-31 through 2026-04-06
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4616)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:35
Saint Louis (STL) 1

20:04
Chicago O'Hare (ORD) 2
Effective 2026-04-08 through 2026-04-14
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4616)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:35
Saint Louis (STL) 1

20:04
Chicago O'Hare (ORD) 2
Effective 2026-04-16 through 2026-04-22
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4616)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:35
Saint Louis (STL) 1

20:04
Chicago O'Hare (ORD) 2
Effective 2026-04-24 through 2026-04-29
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4616)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:40
Saint Louis (STL) 1

20:23
Chicago O'Hare (ORD) 2
Effective 2026-01-07 through 2026-01-13
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4559)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:40
Saint Louis (STL) 1

20:23
Chicago O'Hare (ORD) 2
Effective 2026-01-15 through 2026-01-21
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4559)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:40
Saint Louis (STL) 1

20:23
Chicago O'Hare (ORD) 2
Effective 2026-01-23 through 2026-01-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4559)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:40
Saint Louis (STL) 1

20:23
Chicago O'Hare (ORD) 2
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4559)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4929
18:40
Saint Louis (STL) 1

20:23
Chicago O'Hare (ORD) 2
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4559)
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
  • AC 4929 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 1:28 and 1:44.
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