AA 1901 then DL 5714 at Boston
Charlotte → Boston → Philadelphia
Timetable, Boston time
17:42AA 1901 from Charlotte at the gate
17:25DL 5714 to Philadelphia leaves the gate
23 h 43 apart on the timetable, overnight
DL 5714 leaves 23 h 43 after AA 1901 arrives on the timetable: more than half a day, so not a connection we count.