AA 1335 then AA 2813 at Charlotte
Pittsburgh → Charlotte → Boston
Timetable, Charlotte time
19:29AA 1335 from Pittsburgh at the gate
18:40AA 2813 to Boston leaves the gate
23 h 11 apart on the timetable, overnight
AA 2813 leaves 23 h 11 after AA 1335 arrives on the timetable: more than half a day, so not a connection we count.