UA 3926 then AC 4368 at San Francisco
Newark → San Francisco → Phoenix
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
16:27AC 4368 to Phoenix leaves the gatealso UA 5895, VA 8411, LH 9350, NZ 9371
17 h 31 apart on the timetable, overnight
AC 4368 leaves 17 h 31 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.