UA 3926 then AC 4332 at San Francisco
Newark → San Francisco → Santa Ana
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
16:55AC 4332 to Santa Ana leaves the gatealso UA 5597, VA 8493
17 h 59 apart on the timetable, overnight
AC 4332 leaves 17 h 59 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.