DL 348 then AA 2880 at Atlanta
Phoenix → Atlanta → Miami
Timetable, Atlanta time
17:10DL 348 from Phoenix at the gate
17:02AA 2880 to Miami leaves the gate
23 h 52 apart on the timetable, overnight
AA 2880 leaves 23 h 52 after DL 348 arrives on the timetable: more than half a day, so not a connection we count.