AA 2609 then DL 475 at Atlanta
Miami → Atlanta → Jackson (Mississippi)
Timetable, Atlanta time
20:15AA 2609 from Miami at the gate
19:30DL 475 to Jackson (Mississippi) leaves the gate
23 h 15 apart on the timetable, overnight
DL 475 leaves 23 h 15 after AA 2609 arrives on the timetable: more than half a day, so not a connection we count.