TK 9588 then AV 6904 at San Francisco
Portland (Oregon) → San Francisco → Vancouver
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
14:45AV 6904 to Vancouver leaves the gate
23 h 30 apart on the timetable, overnight
AV 6904 leaves 23 h 30 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.