UA 3926 then AF 8669 at San Francisco
Newark → San Francisco → New York JFK
Timetable, San Francisco time
22:56UA 3926 from Newark at the gate
14:35AF 8669 to New York JFK leaves the gate
15 h 39 apart on the timetable, overnight
AF 8669 leaves 15 h 39 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.