AA 1992 then AA 2674 at Charlotte
St Louis → Charlotte → Boston
Timetable, Charlotte time
13:14AA 1992 from St Louis at the gate
12:25AA 2674 to Boston leaves the gate
23 h 11 apart on the timetable, overnight
AA 2674 leaves 23 h 11 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.