AV 2183 then QF 3791 at San Francisco
Vancouver → San Francisco → Las Vegas
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
10:00QF 3791 to Las Vegas leaves the gate
18 h 33 apart on the timetable, overnight
QF 3791 leaves 18 h 33 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.