AA 4784 then DL 747 at JFK
Nashville → New York → Los Angeles
Timetable, New York time
11:59AA 4784 from Nashville at the gate
11:00DL 747 to Los Angeles leaves the gate
23 h 01 apart on the timetable, overnight
DL 747 leaves 23 h 01 after AA 4784 arrives on the timetable: more than half a day, so not a connection we count.