AV 6975 then UA 2367 at San Francisco
Vancouver → San Francisco → Houston
Timetable, San Francisco time
13:51AV 6975 from Vancouver at the gate
08:48UA 2367 to Houston leaves the gatealso EK 6416
18 h 57 apart on the timetable, overnight
UA 2367 leaves 18 h 57 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.