DL 1668 then DL 1232 at Atlanta
Indianapolis → Atlanta → Detroit
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
20:20DL 1232 to Detroit leaves the gate
22 h 20 apart on the timetable, overnight
DL 1232 leaves 22 h 20 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.