UA 3772 then B6 16 at San Francisco
Las Vegas → San Francisco → New York JFK
Timetable, San Francisco time
22:05UA 3772 from Las Vegas at the gate
20:55B6 16 to New York JFK leaves the gate
22 h 50 apart on the timetable, overnight
B6 16 leaves 22 h 50 after UA 3772 arrives on the timetable: more than half a day, so not a connection we count.