AA 5436 then AA 5816 at Philadelphia
Nashville → Philadelphia → Hartford
Timetable, Philadelphia time
17:39AA 5436 from Nashville at the gate
17:27AA 5816 to Hartford leaves the gate
23 h 48 apart on the timetable, overnight
AA 5816 leaves 23 h 48 after AA 5436 arrives on the timetable: more than half a day, so not a connection we count.