UA 3926 then AA 1401 at San Francisco
Newark → San Francisco → Dallas-Fort Worth
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
15:45AA 1401 to Dallas-Fort Worth leaves the gatealso QF 4572
16 h 49 apart on the timetable, overnight
AA 1401 leaves 16 h 49 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.