AA 4343 then DL 752 at JFK
Nashville → New York → Los Angeles
Timetable, New York time
21:00AA 4343 from Nashville at the gate
20:55DL 752 to Los Angeles leaves the gate
23 h 55 apart on the timetable, overnight
DL 752 leaves 23 h 55 after AA 4343 arrives on the timetable: more than half a day, so not a connection we count.