AV 2183 then UA 1259 at San Francisco
Vancouver → San Francisco → Houston
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
10:53UA 1259 to Houston leaves the gatealso EK 6364, VA 8078, NZ 9197
19 h 26 apart on the timetable, overnight
UA 1259 leaves 19 h 26 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.