AA 1046 then DL 2597 at Atlanta
Miami → Atlanta → Montréal
Timetable, Atlanta time
10:02AA 1046 from Miami at the gate
09:00DL 2597 to Montréal leaves the gate
22 h 58 apart on the timetable, overnight
DL 2597 leaves 22 h 58 after AA 1046 arrives on the timetable: more than half a day, so not a connection we count.