DL 1668 then DL 2416 at Atlanta
Indianapolis → Atlanta → Montréal
Timetable, Atlanta time
22:00DL 1668 from Indianapolis at the gate
21:15DL 2416 to Montréal leaves the gate
23 h 15 apart on the timetable, overnight
DL 2416 leaves 23 h 15 after DL 1668 arrives on the timetable: more than half a day, so not a connection we count.