DL 348 then DL 1328 at Atlanta
Phoenix → Atlanta → Miami
Timetable, Atlanta time
17:10DL 348 from Phoenix at the gate
16:30DL 1328 to Miami leaves the gate
23 h 20 apart on the timetable, overnight
DL 1328 leaves 23 h 20 after DL 348 arrives on the timetable: more than half a day, so not a connection we count.