Y4 2770 then G3 6028 at San Francisco
Las Vegas → San Francisco → New York JFK
Timetable, San Francisco time
14:20Y4 2770 from Las Vegas at the gatealso F9 4401
13:30G3 6028 to New York JFK leaves the gate
23 h 10 apart on the timetable, overnight
G3 6028 leaves 23 h 10 after Y4 2770 arrives on the timetable: more than half a day, so not a connection we count.