AV 6975 then UA 562 at San Francisco
Vancouver → San Francisco → Bozeman
Timetable, San Francisco time
23:01AV 6975 from Vancouver at the gate
12:00UA 562 to Bozeman leaves the gatealso NZ 9435
12 h 59 apart on the timetable, overnight
UA 562 leaves 12 h 59 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.