DL 1668 then DL 1105 at Atlanta
Indianapolis → Atlanta → Springfield
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
20:25DL 1105 to Springfield leaves the gate
22 h 25 apart on the timetable, overnight
DL 1105 leaves 22 h 25 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.