AA 817 then AA 1173 at Miami
Philadelphia → Miami → Nashville
Timetable, Miami time
21:26AA 817 from Philadelphia at the gate
20:34AA 1173 to Nashville leaves the gate
23 h 08 apart on the timetable, overnight
AA 1173 leaves 23 h 08 after AA 817 arrives on the timetable: more than half a day, so not a connection we count.