AA 3308 then AA 2700 at Boston
Philadelphia → Boston → Charlotte
Timetable, Boston time
09:39AA 3308 from Philadelphia at the gate
09:26AA 2700 to Charlotte leaves the gate
23 h 47 apart on the timetable, overnight
AA 2700 leaves 23 h 47 after AA 3308 arrives on the timetable: more than half a day, so not a connection we count.