AA 4712 then DL 747 at JFK
Nashville → New York → Los Angeles
Timetable, New York time
12:19AA 4712 from Nashville at the gate
11:00DL 747 to Los Angeles leaves the gate
22 h 41 apart on the timetable, overnight
DL 747 leaves 22 h 41 after AA 4712 arrives on the timetable: more than half a day, so not a connection we count.