DL 1005 then DL 3909 at Detroit
Atlanta → Detroit → Kalamazoo
Timetable, Detroit time
10:25DL 1005 from Atlanta at the gate
22:55DL 3909 to Kalamazoo leaves the gate
12 h 30 apart on the timetable
DL 3909 leaves 12 h 30 after DL 1005 arrives on the timetable: more than half a day, so not a connection we count.