DL 8901 then DL 1588 at Atlanta
Tupelo → Atlanta → Miami
Timetable, Atlanta time
19:00DL 8901 from Tupelo at the gate
18:59DL 1588 to Miami leaves the gate
23 h 59 apart on the timetable, overnight
DL 1588 leaves 23 h 59 after DL 8901 arrives on the timetable: more than half a day, so not a connection we count.