DL 2547 then DL 1328 at Atlanta
Grand Rapids → Atlanta → Miami
Timetable, Atlanta time
16:45DL 2547 from Grand Rapids at the gate
16:33DL 1328 to Miami leaves the gate
23 h 48 apart on the timetable, overnight
DL 1328 leaves 23 h 48 after DL 2547 arrives on the timetable: more than half a day, so not a connection we count.