AA 563 then AA 2458 at Miami
Philadelphia → Miami → Nashville
Timetable, Miami time
10:06AA 563 from Philadelphia at the gate
22:25AA 2458 to Nashville leaves the gate
12 h 19 apart on the timetable
AA 2458 leaves 12 h 19 after AA 563 arrives on the timetable: more than half a day, so not a connection we count.