VA 8576 then DL 4631 at San Francisco
Las Vegas → San Francisco → Santa Ana
Timetable, San Francisco time
19:03VA 8576 from Las Vegas at the gate
15:05DL 4631 to Santa Ana leaves the gate
20 h 02 apart on the timetable, overnight
DL 4631 leaves 20 h 02 after VA 8576 arrives on the timetable: more than half a day, so not a connection we count.