DL 706 then DL 1328 at Atlanta
Denver → Atlanta → Miami
Timetable, Atlanta time
18:01DL 706 from Denver at the gate
16:33DL 1328 to Miami leaves the gate
22 h 32 apart on the timetable, overnight
DL 1328 leaves 22 h 32 after DL 706 arrives on the timetable: more than half a day, so not a connection we count.