AC 570 then VA 8085 at San Francisco
Vancouver → San Francisco → Houston
Timetable, San Francisco time
23:01AC 570 from Vancouver at the gatealso NZ 4508, UA 8174
16:40VA 8085 to Houston leaves the gate
17 h 39 apart on the timetable, overnight
VA 8085 leaves 17 h 39 after AC 570 arrives on the timetable: more than half a day, so not a connection we count.