UA 3926 then AM 669 at San Francisco
Newark → San Francisco → Mexico City
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
13:31AM 669 to Mexico City leaves the gatealso WS 6162, DL 7965
14 h 35 apart on the timetable, overnight
AM 669 leaves 14 h 35 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.