AC4081 Flight Status Air Canada: San Francisco to Ontario (ACA4081)

Are you looking for the November 9th, 2026 AC 4081 San Francisco to Denver flight? Go to our AC4081 San Francisco to Denver Flight Status page >

AC 4081 San Francisco to Ontario Flight Status

Not scheduled today (November 9th, 2026). Latest flight: February 20th, 2026 ; recent history is in the table below.

AC 4081 Flight Status & Schedule Air Canada San Francisco to Ontario

Date From To Departure Arrival Status Details
Feb 20 SFO ONT 19:06 20:03 Landed Track >
Feb 16 SFO ONT 19:48 20:49 Delayed Track >
Feb 13 SFO ONT 21:45 20:07 Unknown Track >

Air Canada's San Francisco–Ontario flight covers 585 km (363 mi). The timetable allows 1 h 27 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 20 February 2026, landed on time.

< All San Francisco SFO Departures All Ontario ONT Arrivals >

About AC 4081

Route
San Francisco International Airport SFO to Ontario International Airport ONT
Distance
585 km (363 mi)
Scheduled flight time
1 h 27 min
Usually departs from
Terminal 3

AC 4081 FAQ

How long is the AC4081 flight?
The timetable allows 1 h 27 min. San Francisco to Ontario is 585 km (363 mi).
Which terminal does AC4081 use?
It usually leaves from Terminal 3 at San Francisco International Airport (SFO) and arrives at Terminal 2 at Ontario International Airport (ONT). Check the flight card above for today's terminal and gate.
What other flight numbers does AC4081 have?
Also listed as ACA4081 (Air Canada's ICAO code) and AC 4081.

AC4081 and San Francisco SFO to Ontario ONT Flights

Flight AC4081 is a code-share Air Canada flight of the United Airlines operated UA5443.

Other flights departing from San Francisco SFO: WN4016, UA5443

Other flights arriving at Ontario ONT: UA5443, WN3660, WN1052

All flights connecting San Francisco SFO to Ontario ONT.