DL 1668 then DL 1234 at Atlanta
Indianapolis → Atlanta → Miami
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
20:25DL 1234 to Miami leaves the gate
22 h 25 apart on the timetable, overnight
DL 1234 leaves 22 h 25 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.