Air Canada flight AC 4915: Saint Louis - Chicago O'Hare

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Sat 09:55 Saint Louis (STL) 1 11:30 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:35 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 4597)
Daily 13:10 Saint Louis (STL) 1 14:38 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 4592)
Daily 13:11 Saint Louis (STL) 1 14:44 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 4428)
Daily 13:14 Saint Louis (STL) 1 14:47 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 4413)
Mon,Wed,Fri,Sun 13:14 Saint Louis (STL) 1 14:43 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-03-29 through 2026-04-05
Codeshare flight, operated by United Airlines.(UA 4592)
Mon,Sat 13:14 Saint Louis (STL) 1 14:43 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-11 through 2026-04-18
Codeshare flight, operated by United Airlines.(UA 4592)
Tue,Sun 13:14 Saint Louis (STL) 1 14:43 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:29 Effective 2026-04-21 through 2026-04-28
Codeshare flight, operated by United Airlines.(UA 4592)
Mon,Tue,Thu,Sat,Sun 13:15 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-06 through 2026-01-12
Codeshare flight, operated by United Airlines.(UA 4437)
Tue,Wed,Fri,Sun 13:15 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-14 through 2026-01-20
Codeshare flight, operated by United Airlines.(UA 4437)
Mon,Wed,Thu,Sat 13:15 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-22 through 2026-01-29
Codeshare flight, operated by United Airlines.(UA 4437)
Tue,Wed,Fri,Sun 13:15 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2026-01-30 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 4437)
Wed 13:15 Saint Louis (STL) 1 14:50 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:35 Operates only on 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4437)
Daily 13:27 Saint Louis (STL) 1 14:55 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 3528)
Tue,Wed,Fri 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-07 through 2026-01-13
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 4915 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-15 through 2026-01-21
Codeshare flight, operated by United Airlines.(UA 3528)
Sat 15:11 Saint Louis (STL) 1 16:54 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:43 Operates only on 2026-01-17
Codeshare flight, operated by United Airlines.(UA 4556)
Tue,Fri,Sun 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-01-23 through 2026-01-27
Codeshare flight, operated by United Airlines.(UA 3528)
Sat 15:11 Saint Louis (STL) 1 16:54 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Canadair CRJ 550 (CR5) 1:43 Effective 2026-01-31 through 2026-02-07
Codeshare flight, operated by United Airlines.(UA 4556)
Mon,Thu 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:44 Effective 2026-02-02 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 3528)
Tue 15:11 Saint Louis (STL) 1 16:55 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:44 Operates only on 2026-02-10
Codeshare flight, operated by United Airlines.(UA 3528)
Mon,Tue,Thu,Sat 15:23 Saint Louis (STL) 1 16:53 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-03-31 through 2026-04-07
Codeshare flight, operated by United Airlines.(UA 3528)
Tue-Fri,Sun 15:23 Saint Louis (STL) 1 16:53 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-04-08 through 2026-04-19
Codeshare flight, operated by United Airlines.(UA 3528)
Mon,Wed-Sat 15:23 Saint Louis (STL) 1 16:53 Chicago O'Hare (ORD) 2
AC 4915 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-04-20 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 3528)


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Air Canada flight AC 4915:
Saint Louis - Chicago O'Hare
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4915
09:55
Saint Louis (STL) 1

11:30
Chicago O'Hare (ORD) 2
Valid until 2026-01-03
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4597)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:10
Saint Louis (STL) 1

14:38
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 4592)
Duration: 1:28, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:11
Saint Louis (STL) 1

14:44
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 4428)
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:14
Saint Louis (STL) 1

14:47
Chicago O'Hare (ORD) 2
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4413)
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:14
Saint Louis (STL) 1

14:43
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 4592)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:14
Saint Louis (STL) 1

14:43
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 4592)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:14
Saint Louis (STL) 1

14:43
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 4592)
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:15
Saint Louis (STL) 1

14:50
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 4437)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:15
Saint Louis (STL) 1

14:50
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 4437)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:15
Saint Louis (STL) 1

14:50
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 4437)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:15
Saint Louis (STL) 1

14:50
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 4437)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:15
Saint Louis (STL) 1

14:50
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 4437)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4915
13:27
Saint Louis (STL) 1

14:55
Chicago O'Hare (ORD) 2
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4915
15:11
Saint Louis (STL) 1

16:55
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 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4915
15:11
Saint Louis (STL) 1

16:55
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 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4915
15:11
Saint Louis (STL) 1

16:54
Chicago O'Hare (ORD) 2
Operates only on 2026-01-17
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 AC4915
15:11
Saint Louis (STL) 1

16:55
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 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4915
15:11
Saint Louis (STL) 1

16:54
Chicago O'Hare (ORD) 2
Effective 2026-01-31 through 2026-02-07
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 AC4915
15:11
Saint Louis (STL) 1

16:55
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 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4915
15:11
Saint Louis (STL) 1

16:55
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 3528)
Duration: 1:44, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4915
15:23
Saint Louis (STL) 1

16:53
Chicago O'Hare (ORD) 2
Effective 2026-03-31 through 2026-04-07
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 AC4915
15:23
Saint Louis (STL) 1

16:53
Chicago O'Hare (ORD) 2
Effective 2026-04-08 through 2026-04-19
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 AC4915
15:23
Saint Louis (STL) 1

16:53
Chicago O'Hare (ORD) 2
Effective 2026-04-20 through 2026-04-29
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 3528)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
  • AC 4915 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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