JU 8510 then WN 3779 at San Francisco
New York JFK → San Francisco → Las Vegas
Timetable, San Francisco time
23:54JU 8510 from New York JFK at the gate
22:45WN 3779 to Las Vegas leaves the gate
22 h 51 apart on the timetable, overnight
WN 3779 leaves 22 h 51 after JU 8510 arrives on the timetable: more than half a day, so not a connection we count.