DL 695 then DL 2597 at Atlanta
Boston → Atlanta → Montréal
Timetable, Atlanta time
09:45DL 695 from Boston at the gate
09:00DL 2597 to Montréal leaves the gate
23 h 15 apart on the timetable, overnight
DL 2597 leaves 23 h 15 after DL 695 arrives on the timetable: more than half a day, so not a connection we count.