Air Canada flight AC 4129: San Francisco - Denver

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu-Sat 14:27 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-05-22 through 2025-05-31
Codeshare flight, operated by United Airlines.(UA 1702)
Tue,Wed 14:27 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Boeing 737-900 (739) 2:43 Effective 2025-05-27 through 2025-05-28
Codeshare flight, operated by United Airlines.(UA 1702)
Mon-Thu,Sat,Sun 14:30 San Francisco (SFO) 3 18:13 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-06-28 through 2025-07-03
Codeshare flight, operated by United Airlines.(UA 1527)
Mon-Sat 14:30 San Francisco (SFO) 3 18:13 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-07-07 through 2025-07-12
Codeshare flight, operated by United Airlines.(UA 1527)
Daily 14:30 San Francisco (SFO) 3 18:13 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-07-15 through 2025-07-21
Codeshare flight, operated by United Airlines.(UA 1527)
Mon,Tue,Thu-Sun 14:30 San Francisco (SFO) 3 18:13 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-07-24 through 2025-07-29
Codeshare flight, operated by United Airlines.(UA 1527)
Mon,Fri-Sun 14:30 San Francisco (SFO) 3 18:13 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-08-01 through 2025-08-11
Codeshare flight, operated by United Airlines.(UA 2142)
Mon-Wed,Sat,Sun 14:30 San Francisco (SFO) 3 18:13 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-08-12 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 2142)
Tue,Wed 14:34 San Francisco (SFO) 3 18:14 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:40 Effective 2025-09-30 through 2025-10-08
Codeshare flight, operated by United Airlines.(UA 720)
Wed,Thu 14:34 San Francisco (SFO) 3 18:14 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:40 Effective 2025-10-09 through 2025-10-16
Codeshare flight, operated by United Airlines.(UA 720)
Thu-Sun 14:34 San Francisco (SFO) 3 18:14 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:40 Effective 2025-10-17 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 720)
Wed-Sat 14:37 San Francisco (SFO) 3 18:20 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Valid until 2025-05-10
Codeshare flight, operated by United Airlines.(UA 1153)
Thu-Sun 14:37 San Francisco (SFO) 3 18:20 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-05-11 through 2025-05-18
Codeshare flight, operated by United Airlines.(UA 1153)
Mon 14:37 San Francisco (SFO) 3 18:20 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Operates only on 2025-05-19
Codeshare flight, operated by United Airlines.(UA 1153)
Daily 14:37 San Francisco (SFO) 3 18:20 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-06-02 through 2025-06-17
Codeshare flight, operated by United Airlines.(UA 475)
Mon-Wed,Fri-Sun 14:37 San Francisco (SFO) 3 18:20 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:43 Effective 2025-06-20 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 475)
Mon,Tue,Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:31 Effective 2025-08-19 through 2025-08-26
Codeshare flight, operated by United Airlines.(UA 720)
Wed,Thu 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:31 Effective 2025-08-27 through 2025-08-28
Codeshare flight, operated by United Airlines.(UA 720)
Mon,Thu-Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:31 Effective 2025-09-04 through 2025-09-08
Codeshare flight, operated by United Airlines.(UA 720)
Mon,Tue,Fri-Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:31 Effective 2025-09-12 through 2025-09-16
Codeshare flight, operated by United Airlines.(UA 720)
Mon-Wed,Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Airbus A321neo (32Q) 2:31 Effective 2025-09-21 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 720)
Mon,Fri,Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Boeing 737-900 (739) 2:31 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by United Airlines.(UA 1596)
Mon,Thu,Fri,Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Boeing 737-900 (739) 2:31 Effective 2025-11-02 through 2025-11-10
Codeshare flight, operated by United Airlines.(UA 1596)
Mon,Tue,Fri-Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Boeing 737-900 (739) 2:31 Effective 2025-11-11 through 2025-11-18
Codeshare flight, operated by United Airlines.(UA 1596)
Wed,Sat,Sun 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
AC 4129 Non-stop Boeing 737-900 (739) 2:31 Effective 2025-11-19 through 2025-11-23
Codeshare flight, operated by United Airlines.(UA 1596)
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Air Canada flight AC 4129:
San Francisco - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4129
Effective 2025-05-22 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1702)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-05-27 through 2025-05-28
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1702)
Duration: 2:43, non-stop
Boeing 737-900 (739)

Air Canada AC4129
Effective 2025-06-28 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1527)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-07-07 through 2025-07-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1527)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-07-15 through 2025-07-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1527)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-07-24 through 2025-07-29
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1527)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-08-01 through 2025-08-11
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2142)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-08-12 through 2025-08-18
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2142)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-09-30 through 2025-10-08
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:40, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-10-09 through 2025-10-16
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:40, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-10-17 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:40, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Valid until 2025-05-10
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1153)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1153)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Operates only on 2025-05-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1153)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-06-02 through 2025-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 475)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-06-20 through 2025-06-25
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 475)
Duration: 2:43, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-08-19 through 2025-08-26
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-08-27 through 2025-08-28
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-09-04 through 2025-09-08
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-09-12 through 2025-09-16
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-09-21 through 2025-09-24
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 720)
Duration: 2:31, non-stop
Airbus A321neo (32Q)

Air Canada AC4129
Effective 2025-10-26 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:31, non-stop
Boeing 737-900 (739)

Air Canada AC4129
Effective 2025-11-02 through 2025-11-10
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:31, non-stop
Boeing 737-900 (739)

Air Canada AC4129
Effective 2025-11-11 through 2025-11-18
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:31, non-stop
Boeing 737-900 (739)

Air Canada AC4129
Effective 2025-11-19 through 2025-11-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1596)
Duration: 2:31, non-stop
Boeing 737-900 (739)
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  • AC 4129 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Denver airport (DEN).
  • The flight distance is 964 miles, or 1552 km.
  • The timezone of the departure airport is UTC-8 , 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 2:31 and 2:43.