AA 1992 then DL 5626 at Charlotte
St Louis → Charlotte → Boston
Timetable, Charlotte time
13:29AA 1992 from St Louis at the gate
09:50DL 5626 to Boston leaves the gate
20 h 21 apart on the timetable, overnight
DL 5626 leaves 20 h 21 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.