AA 972 then AA 3040 at Charlotte
Saint Martin → Charlotte → Pittsburgh
Timetable, Charlotte time
19:43AA 972 from Saint Martin at the gate
19:35AA 3040 to Pittsburgh leaves the gate
23 h 52 apart on the timetable, overnight
AA 3040 leaves 23 h 52 after AA 972 arrives on the timetable: more than half a day, so not a connection we count.