DL 2439 then DL 5101 at Detroit
Nashville → Detroit → Birmingham (Alabama)
Timetable, Detroit time
08:45DL 2439 from Nashville at the gate
08:40DL 5101 to Birmingham (Alabama) leaves the gate
23 h 55 apart on the timetable, overnight
DL 5101 leaves 23 h 55 after DL 2439 arrives on the timetable: more than half a day, so not a connection we count.