DL 4274 then DL 5101 at Detroit
Alpena → Detroit → Birmingham (Alabama)
Timetable, Detroit time
11:25DL 4274 from Alpena at the gate
08:40DL 5101 to Birmingham (Alabama) leaves the gate
21 h 15 apart on the timetable, overnight
DL 5101 leaves 21 h 15 after DL 4274 arrives on the timetable: more than half a day, so not a connection we count.