AS 634 then DL 630 at San Francisco
Las Vegas → San Francisco → New York JFK
Timetable, San Francisco time
17:41AS 634 from Las Vegas at the gatealso QF 3697, FJ 5841, AA 7412, CX 7935, QR 8861
14:35DL 630 to New York JFK leaves the gatealso LA 6393, LA 6653
20 h 54 apart on the timetable, overnight
DL 630 leaves 20 h 54 after AS 634 arrives on the timetable: more than half a day, so not a connection we count.