AV 2183 then WN 1521 at San Francisco
Vancouver → San Francisco → Las Vegas
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
10:30WN 1521 to Las Vegas leaves the gate
19 h 03 apart on the timetable, overnight
WN 1521 leaves 19 h 03 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.