OZ 6321 then AC 742 at San Francisco
Portland (Oregon) → San Francisco → Toronto
Timetable, San Francisco time
21:18OZ 6321 from Portland (Oregon) at the gate
14:00AC 742 to Toronto leaves the gatealso NZ 4734, UA 8128, OS 8191, OS 8357
16 h 42 apart on the timetable, overnight
AC 742 leaves 16 h 42 after OZ 6321 arrives on the timetable: more than half a day, so not a connection we count.