AA 4568 then DL 747 at JFK
Pittsburgh → New York → Los Angeles
Timetable, New York time
14:35AA 4568 from Pittsburgh at the gate
11:00DL 747 to Los Angeles leaves the gate
20 h 25 apart on the timetable, overnight
DL 747 leaves 20 h 25 after AA 4568 arrives on the timetable: more than half a day, so not a connection we count.