AA 3102 then DL 5634 at Boston
Dallas-Fort Worth → Boston → Pittsburgh
Timetable, Boston time
14:32AA 3102 from Dallas-Fort Worth at the gate
14:15DL 5634 to Pittsburgh leaves the gate
23 h 43 apart on the timetable, overnight
DL 5634 leaves 23 h 43 after AA 3102 arrives on the timetable: more than half a day, so not a connection we count.