AV 2183 then UA 1031 at San Francisco
Vancouver → San Francisco → Houston
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
14:30UA 1031 to Houston leaves the gatealso EK 6418, NH 7336, CA 7344, VA 8083, NZ 9196
23 h 03 apart on the timetable, overnight
UA 1031 leaves 23 h 03 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.