AA 2609 then DL 3020 at Atlanta
Miami → Atlanta → Memphis
Timetable, Atlanta time
20:15AA 2609 from Miami at the gate
19:59DL 3020 to Memphis leaves the gate
23 h 44 apart on the timetable, overnight
DL 3020 leaves 23 h 44 after AA 2609 arrives on the timetable: more than half a day, so not a connection we count.