Air Canada
flight
AC 4021:
San Francisco - Calgary
San Francisco - Calgary
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4021
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 291)
Duration: 2:56, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4021
Effective 2026-04-30 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 291)
Duration: 2:44, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4021
Effective from 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 291)
Duration: 2:44, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4021
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 286)
Duration: 2:53, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4021
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 286)
Duration: 2:53, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4021
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 291)
Duration: 2:47, non-stop Boeing 737-800 (738)
- AC 4021 is an international flight departing from San Francisco airport, United States (SFO) and arriving at Calgary airport, Canada (YYC).
- The flight distance is 1017 miles, or 1637 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 2:44 and 2:56.