AA 4629 then LA 8181 at JFK
Washington National → New York → São Paulo
Timetable, New York time
19:20AA 4629 from Washington National at the gate
19:10LA 8181 to São Paulo leaves the gate
23 h 50 apart on the timetable, overnight
LA 8181 leaves 23 h 50 after AA 4629 arrives on the timetable: more than half a day, so not a connection we count.