DL 1668 then DL 2144 at Atlanta
Indianapolis → Atlanta → Madison
Timetable, Atlanta time
21:54DL 1668 from Indianapolis at the gate
21:45DL 2144 to Madison leaves the gate
23 h 51 apart on the timetable, overnight
DL 2144 leaves 23 h 51 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.