VA 8576 then B6 416 at San Francisco
Las Vegas → San Francisco → New York JFK
Timetable, San Francisco time
19:03VA 8576 from Las Vegas at the gate
14:55B6 416 to New York JFK leaves the gatealso SQ 1548
19 h 52 apart on the timetable, overnight
B6 416 leaves 19 h 52 after VA 8576 arrives on the timetable: more than half a day, so not a connection we count.