AV 6975 then VA 8101 at San Francisco
Vancouver → San Francisco → Chicago O'Hare
Timetable, San Francisco time
10:32AV 6975 from Vancouver at the gate
23:30VA 8101 to Chicago O'Hare leaves the gate
12 h 58 apart on the timetable
VA 8101 leaves 12 h 58 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.