DL 4885 then DL 3145 at Detroit
Grand Rapids → Detroit → Birmingham (Alabama)
Timetable, Detroit time
06:30DL 4885 from Grand Rapids at the gate
19:45DL 3145 to Birmingham (Alabama) leaves the gate
13 h 15 apart on the timetable
DL 3145 leaves 13 h 15 after DL 4885 arrives on the timetable: more than half a day, so not a connection we count.