AA 950 then DL 667 at JFK
São Paulo → New York → San Francisco
Timetable, New York time
07:00AA 950 from São Paulo at the gate
19:40DL 667 to San Francisco leaves the gate
12 h 40 apart on the timetable
DL 667 leaves 12 h 40 after AA 950 arrives on the timetable: more than half a day, so not a connection we count.