DL 1589 then AA 2537 at Miami
Atlanta → Miami → Memphis
Timetable, Miami time
00:56DL 1589 from Atlanta at the gate
21:55AA 2537 to Memphis leaves the gate
20 h 59 apart on the timetable
AA 2537 leaves 20 h 59 after DL 1589 arrives on the timetable: more than half a day, so not a connection we count.