Air Canada flight AC 4424: Ontario, Los Angeles - San Francisco

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:45 Ontario, Los Angeles (ONT) 2 11:15 San Francisco (SFO) 3
AC 4424 Non-stop Embraer EMB 175 (E7W) 1:30 Effective 2026-05-21 through 2026-08-09
Codeshare flight, operated by United Airlines.(UA 6040)
Mon-Fri,Sun 10:42 Ontario, Los Angeles (ONT) 2 12:29 San Francisco (SFO) 3
AC 4424 Non-stop Embraer EMB 175 (E7W) 1:47 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4639)
Sat 10:42 Ontario, Los Angeles (ONT) 2 12:28 San Francisco (SFO) 3
AC 4424 Non-stop Canadair CRJ 700 (CR7) 1:46 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 4639)
Daily 11:00 Ontario, Los Angeles (ONT) 2 12:38 San Francisco (SFO) 3
AC 4424 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 6040)
Daily 11:05 Ontario, Los Angeles (ONT) 2 12:34 San Francisco (SFO) 3
AC 4424 Non-stop Boeing 737-900 (739) 1:29 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1851)


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Air Canada flight AC 4424:
Ontario, Los Angeles - San Francisco
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4424
09:45
Ontario, Los Angeles (ONT) 2

11:15
San Francisco (SFO) 3
Effective 2026-05-21 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6040)
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4424
10:42
Ontario, Los Angeles (ONT) 2

12:29
San Francisco (SFO) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4639)
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4424
10:42
Ontario, Los Angeles (ONT) 2

12:28
San Francisco (SFO) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4639)
Duration: 1:46, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Air Canada AC4424
11:00
Ontario, Los Angeles (ONT) 2

12:38
San Francisco (SFO) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6040)
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4424
11:05
Ontario, Los Angeles (ONT) 2

12:34
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1851)
Duration: 1:29, non-stop
Boeing 737-900 (739)
  • AC 4424 is a domestic flight departing from the Ontario, Los Angeles airport (ONT) and arriving at San Francisco airport (SFO).
  • The flight distance is 363 miles, or 584 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:29 and 1:47.
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