AS 634 then DL 4631 at San Francisco
Las Vegas → San Francisco → Santa Ana
Timetable, San Francisco time
17:41AS 634 from Las Vegas at the gatealso QF 3697, FJ 5841, AA 7412, CX 7935, QR 8861
15:05DL 4631 to Santa Ana leaves the gate
21 h 24 apart on the timetable, overnight
DL 4631 leaves 21 h 24 after AS 634 arrives on the timetable: more than half a day, so not a connection we count.