AA 2348 then AA 5364 at Charlotte
Portland (Maine) → Charlotte → Melbourne (Florida)
Timetable, Charlotte time
08:25AA 2348 from Portland (Maine) at the gate
21:20AA 5364 to Melbourne (Florida) leaves the gate
12 h 55 apart on the timetable
AA 5364 leaves 12 h 55 after AA 2348 arrives on the timetable: more than half a day, so not a connection we count.