DL 2439 then DL 2535 at Detroit
Nashville → Detroit → West Palm Beach
Timetable, Detroit time
08:45DL 2439 from Nashville at the gate
08:29DL 2535 to West Palm Beach leaves the gate
23 h 44 apart on the timetable, overnight
DL 2535 leaves 23 h 44 after DL 2439 arrives on the timetable: more than half a day, so not a connection we count.