UA 1970 then AS 3492 at San Francisco
Cleveland → San Francisco → Santa Ana
Timetable, San Francisco time
21:45UA 1970 from Cleveland at the gatealso VA 8489, NZ 9046, OZ 9526
14:41AS 3492 to Santa Ana leaves the gatealso QR 8820, AA 9325
16 h 56 apart on the timetable, overnight
AS 3492 leaves 16 h 56 after UA 1970 arrives on the timetable: more than half a day, so not a connection we count.