UA 3926 then AS 523 at San Francisco
Newark → San Francisco → Santa Ana
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
16:17AS 523 to Santa Ana leaves the gatealso QR 2120, QR 8871, AA 9343
17 h 21 apart on the timetable, overnight
AS 523 leaves 17 h 21 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.