DL 1256 then DL 5101 at Detroit
Kansas City → Detroit → Birmingham (Alabama)
Timetable, Detroit time
09:30DL 1256 from Kansas City at the gate
08:40DL 5101 to Birmingham (Alabama) leaves the gate
23 h 10 apart on the timetable, overnight
DL 5101 leaves 23 h 10 after DL 1256 arrives on the timetable: more than half a day, so not a connection we count.