DL 965 then DL 2597 at Atlanta
Detroit → Atlanta → Montréal
Timetable, Atlanta time
10:29DL 965 from Detroit at the gate
09:00DL 2597 to Montréal leaves the gate
22 h 31 apart on the timetable, overnight
DL 2597 leaves 22 h 31 after DL 965 arrives on the timetable: more than half a day, so not a connection we count.