AV 6975 then AS 523 at San Francisco
Vancouver → San Francisco → Santa Ana
Timetable, San Francisco time
23:01AV 6975 from Vancouver at the gate
16:17AS 523 to Santa Ana leaves the gatealso QR 2120, QR 8882, AA 9343
17 h 16 apart on the timetable, overnight
AS 523 leaves 17 h 16 after AV 6975 arrives on the timetable: more than half a day, so not a connection we count.