UA 3926 then AA 1930 at San Francisco
Newark → San Francisco → Phoenix
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
16:00AA 1930 to Phoenix leaves the gatealso QR 2911
17 h 04 apart on the timetable, overnight
AA 1930 leaves 17 h 04 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.