Air Canada flight AC 4771: Chicago O'Hare - Denver

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 13:48 Chicago O'Hare (ORD) 1 15:46 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:58 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 1759)
Tue,Thu,Fri,Sun 13:55 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737 MAX 9 (7M9) 2:57 Valid until 2026-01-06
Codeshare flight, operated by United Airlines.(UA 1759)
Wed,Fri 13:55 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-01-07 through 2026-01-14
Codeshare flight, operated by United Airlines.(UA 1176)
Mon,Thu,Sun 13:55 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-01-19 through 2026-01-25
Codeshare flight, operated by United Airlines.(UA 1176)
Tue,Wed,Fri 13:55 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-01-28 through 2026-02-04
Codeshare flight, operated by United Airlines.(UA 1176)
Mon,Wed-Fri,Sun 13:55 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-02-05 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1176)
Mon,Tue,Sat 14:02 Chicago O'Hare (ORD) 1 15:57 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Effective 2026-02-14 through 2026-02-21
Codeshare flight, operated by United Airlines.(UA 1883)
Tue,Sun 14:02 Chicago O'Hare (ORD) 1 15:57 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Effective 2026-02-22 through 2026-02-24
Codeshare flight, operated by United Airlines.(UA 1883)
Tue 14:02 Chicago O'Hare (ORD) 1 15:57 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Operates only on 2026-03-03
Codeshare flight, operated by United Airlines.(UA 1883)
Mon,Wed,Fri,Sun 14:05 Chicago O'Hare (ORD) 1 16:00 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Effective 2026-03-06 through 2026-03-11
Codeshare flight, operated by United Airlines.(UA 270)
Mon-Wed 14:05 Chicago O'Hare (ORD) 1 16:00 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Effective 2026-03-16 through 2026-03-18
Codeshare flight, operated by United Airlines.(UA 270)
Tue-Thu,Sat 14:05 Chicago O'Hare (ORD) 1 16:00 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Effective 2026-03-24 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 270)
Sat 14:15 Chicago O'Hare (ORD) 1 16:12 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by United Airlines.(UA 1176)
Fri,Sun 14:15 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737 MAX 9 (7M9) 2:37 Effective 2026-05-01 through 2026-05-03
Codeshare flight, operated by United Airlines.(UA 742)
Mon 14:15 Chicago O'Hare (ORD) 1 15:52 Denver (DEN)
AC 4771 Non-stop Boeing 737 MAX 9 (7M9) 2:37 Effective 2026-05-11 through 2026-05-18
Codeshare flight, operated by United Airlines.(UA 742)
Mon,Wed,Sat,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 757-300 (753) 2:38 Effective 2026-03-29 through 2026-04-05
Codeshare flight, operated by United Airlines.(UA 609)
Mon,Wed,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 757-300 (753) 2:38 Effective 2026-04-08 through 2026-04-15
Codeshare flight, operated by United Airlines.(UA 609)
Thu,Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 757-300 (753) 2:38 Effective 2026-04-16 through 2026-04-23
Codeshare flight, operated by United Airlines.(UA 609)
Thu 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Operates only on 2026-04-30
Codeshare flight, operated by United Airlines.(UA 609)
Fri 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Operates only on 2026-05-08
Codeshare flight, operated by United Airlines.(UA 609)
Fri,Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-05-16 through 2026-05-22
Codeshare flight, operated by United Airlines.(UA 609)
Tue-Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-05-24 through 2026-05-30
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Thu,Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-06-01 through 2026-06-08
Codeshare flight, operated by United Airlines.(UA 609)
Tue-Fri,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-06-10 through 2026-06-16
Codeshare flight, operated by United Airlines.(UA 609)
Mon,Wed-Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-06-18 through 2026-06-24
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Wed,Fri-Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-06-26 through 2026-07-03
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Thu,Sat,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-07-05 through 2026-07-11
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-07-13 through 2026-07-18
Codeshare flight, operated by United Airlines.(UA 609)
Tue,Thu-Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-07-21 through 2026-07-28
Codeshare flight, operated by United Airlines.(UA 609)
Mon,Wed,Fri,Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-07-31 through 2026-08-08
Codeshare flight, operated by United Airlines.(UA 609)
Tue,Thu,Sat,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-08-09 through 2026-08-16
Codeshare flight, operated by United Airlines.(UA 609)
Mon,Tue,Fri,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-08-17 through 2026-08-25
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Wed,Fri 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-08-26 through 2026-09-01
Codeshare flight, operated by United Airlines.(UA 609)
Tue,Thu-Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-09-03 through 2026-09-08
Codeshare flight, operated by United Airlines.(UA 609)
Mon,Wed,Fri-Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-09-11 through 2026-09-18
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Thu,Sat,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-09-20 through 2026-09-26
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Wed,Fri,Sun 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-10-06 through 2026-10-12
Codeshare flight, operated by United Airlines.(UA 609)
Mon-Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-10-14 through 2026-10-20
Codeshare flight, operated by United Airlines.(UA 609)
Thu-Sat 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:38 Effective 2026-10-22 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 609)
Fri 14:21 Chicago O'Hare (ORD) 1 16:16 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Operates only on 2026-02-13
Codeshare flight, operated by United Airlines.(UA 1883)
Mon-Wed 14:31 Chicago O'Hare (ORD) 1 16:29 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:58 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1485)
Mon,Tue,Thu,Sun 14:36 Chicago O'Hare (ORD) 1 16:34 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:58 Effective 2026-01-08 through 2026-01-15
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Wed,Fri 14:36 Chicago O'Hare (ORD) 1 16:34 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:58 Effective 2026-01-16 through 2026-01-23
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Tue,Thu,Sun 14:36 Chicago O'Hare (ORD) 1 16:34 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:58 Effective 2026-01-26 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 2347)
Tue 14:36 Chicago O'Hare (ORD) 1 16:34 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:58 Operates only on 2026-02-10
Codeshare flight, operated by United Airlines.(UA 2347)
Thu 14:40 Chicago O'Hare (ORD) 1 16:35 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:55 Operates only on 2026-02-12
Codeshare flight, operated by United Airlines.(UA 2347)
Wed-Fri,Sun 14:40 Chicago O'Hare (ORD) 1 16:36 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:56 Effective 2026-02-15 through 2026-02-20
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Wed-Sun 14:40 Chicago O'Hare (ORD) 1 16:36 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:56 Effective 2026-02-23 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Thu,Sat 14:45 Chicago O'Hare (ORD) 1 16:41 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:56 Effective 2026-03-05 through 2026-03-12
Codeshare flight, operated by United Airlines.(UA 2347)
Thu-Sun 14:45 Chicago O'Hare (ORD) 1 16:41 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:56 Effective 2026-03-13 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Fri 14:45 Chicago O'Hare (ORD) 1 16:41 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:56 Effective 2026-03-23 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Tue,Thu,Fri 14:50 Chicago O'Hare (ORD) 1 16:27 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:37 Effective 2026-03-31 through 2026-04-10
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Fri,Sat 14:50 Chicago O'Hare (ORD) 1 16:27 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:37 Effective 2026-04-11 through 2026-04-17
Codeshare flight, operated by United Airlines.(UA 2347)
Mon-Wed,Fri-Sun 14:50 Chicago O'Hare (ORD) 1 16:27 Denver (DEN)
AC 4771 Non-stop Airbus A321neo (32Q) 2:37 Effective 2026-04-19 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2347)
Mon-Thu,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-05-02 through 2026-05-09
Codeshare flight, operated by United Airlines.(UA 2347)
Tue-Fri,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-05-10 through 2026-05-21
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-05-23 through 2026-05-25
Codeshare flight, operated by United Airlines.(UA 2347)
Fri,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-05-31 through 2026-06-07
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Tue,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-06-09 through 2026-06-15
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Wed,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-06-17 through 2026-06-23
Codeshare flight, operated by United Airlines.(UA 2347)
Thu 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-06-25 through 2026-07-02
Codeshare flight, operated by United Airlines.(UA 2347)
Fri,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-07-04 through 2026-07-10
Codeshare flight, operated by United Airlines.(UA 2347)
Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-07-12 through 2026-07-19
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Wed 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-07-20 through 2026-07-29
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Thu,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-07-30 through 2026-08-06
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Wed,Fri 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-08-10 through 2026-08-14
Codeshare flight, operated by United Airlines.(UA 2347)
Wed,Thu,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-08-19 through 2026-08-22
Codeshare flight, operated by United Airlines.(UA 2347)
Wed,Thu,Sat,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-08-27 through 2026-09-02
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Wed,Thu 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-09-07 through 2026-09-10
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Thu,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-09-15 through 2026-09-19
Codeshare flight, operated by United Airlines.(UA 2347)
Thu,Fri,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-09-25 through 2026-10-01
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Sat 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-10-03 through 2026-10-05
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-10-11 through 2026-10-18
Codeshare flight, operated by United Airlines.(UA 2347)
Mon-Wed,Sun 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-10-21 through 2026-10-28
Codeshare flight, operated by United Airlines.(UA 2347)
Thu,Fri 15:00 Chicago O'Hare (ORD) 1 16:50 Denver (DEN)
AC 4771 Non-stop Boeing 737-900 (739) 2:50 Effective from 2026-10-29
Codeshare flight, operated by United Airlines.(UA 2347)
Air Canada flight AC 4771:
Chicago O'Hare - Denver
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4771
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1759)
Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Valid until 2026-01-06
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1759)
Duration: 2:57, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-07 through 2026-01-14
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1176)
Duration: 2:57, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1176)
Duration: 2:57, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-28 through 2026-02-04
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1176)
Duration: 2:57, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-02-05 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1176)
Duration: 2:57, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-02-14 through 2026-02-21
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1883)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-02-22 through 2026-02-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1883)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1883)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-06 through 2026-03-11
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 270)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-16 through 2026-03-18
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 270)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-24 through 2026-03-28
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 270)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1176)
Duration: 2:57, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-01 through 2026-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 742)
Duration: 2:37, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-11 through 2026-05-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 742)
Duration: 2:37, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-29 through 2026-04-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-04-08 through 2026-04-15
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-04-16 through 2026-04-23
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Air Canada AC4771
Operates only on 2026-04-30
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Operates only on 2026-05-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-16 through 2026-05-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-24 through 2026-05-30
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-01 through 2026-06-08
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-10 through 2026-06-16
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-18 through 2026-06-24
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-26 through 2026-07-03
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-05 through 2026-07-11
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-13 through 2026-07-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-21 through 2026-07-28
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-31 through 2026-08-08
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-08-09 through 2026-08-16
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-08-17 through 2026-08-25
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-08-26 through 2026-09-01
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-03 through 2026-09-08
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-11 through 2026-09-18
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-20 through 2026-09-26
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-10-06 through 2026-10-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-10-14 through 2026-10-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-10-22 through 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 609)
Duration: 2:38, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Operates only on 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1883)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1485)
Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-08 through 2026-01-15
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-16 through 2026-01-23
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-01-26 through 2026-02-02
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:55, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-02-15 through 2026-02-20
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:56, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-02-23 through 2026-03-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:56, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-05 through 2026-03-12
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:56, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-13 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:56, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-23 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:56, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-03-31 through 2026-04-10
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:37, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-04-11 through 2026-04-17
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:37, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-04-19 through 2026-04-29
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:37, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-02 through 2026-05-09
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-10 through 2026-05-21
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-23 through 2026-05-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-05-31 through 2026-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-09 through 2026-06-15
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-17 through 2026-06-23
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-06-25 through 2026-07-02
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-04 through 2026-07-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-12 through 2026-07-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-20 through 2026-07-29
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-07-30 through 2026-08-06
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-08-10 through 2026-08-14
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-08-19 through 2026-08-22
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-08-27 through 2026-09-02
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-07 through 2026-09-10
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-15 through 2026-09-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-09-25 through 2026-10-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-10-03 through 2026-10-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-10-11 through 2026-10-18
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective 2026-10-21 through 2026-10-28
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4771
Effective from 2026-10-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:50, non-stop
Boeing 737-900 (739)
  • AC 4771 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Denver airport (DEN).
  • The flight distance is 885 miles, or 1425 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:37 and 2:58.