AC 4121 then AV 2182 at San Francisco
Ontario → San Francisco → Vancouver
Timetable, San Francisco time
17:50AC 4121 from Ontario at the gate
13:53AV 2182 to Vancouver leaves the gate
20 h 03 apart on the timetable, overnight
AV 2182 leaves 20 h 03 after AC 4121 arrives on the timetable: more than half a day, so not a connection we count.