AV 2183 then WN 1684 at San Francisco
Vancouver → San Francisco → Las Vegas
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
10:15WN 1684 to Las Vegas leaves the gate
18 h 48 apart on the timetable, overnight
WN 1684 leaves 18 h 48 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.