DL 3879 then DL 5101 at Detroit
Cleveland → Detroit → Birmingham (Alabama)
Timetable, Detroit time
11:23DL 3879 from Cleveland at the gate
08:40DL 5101 to Birmingham (Alabama) leaves the gate
21 h 17 apart on the timetable, overnight
DL 5101 leaves 21 h 17 after DL 3879 arrives on the timetable: more than half a day, so not a connection we count.