DL 1668 then DL 2987 at Atlanta
Indianapolis → Atlanta → Boston
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
20:50DL 2987 to Boston leaves the gate
22 h 50 apart on the timetable, overnight
DL 2987 leaves 22 h 50 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.