Y4 2770 then AS 3494 at San Francisco
Las Vegas → San Francisco → Santa Ana
Timetable, San Francisco time
14:20Y4 2770 from Las Vegas at the gatealso F9 4401
14:04AS 3494 to Santa Ana leaves the gatealso JL 5459, AA 9298
23 h 44 apart on the timetable, overnight
AS 3494 leaves 23 h 44 after Y4 2770 arrives on the timetable: more than half a day, so not a connection we count.