VA 8576 then AF 8669 at San Francisco
Las Vegas → San Francisco → New York JFK
Timetable, San Francisco time
19:03VA 8576 from Las Vegas at the gate
14:35AF 8669 to New York JFK leaves the gate
19 h 32 apart on the timetable, overnight
AF 8669 leaves 19 h 32 after VA 8576 arrives on the timetable: more than half a day, so not a connection we count.