AA 5457 then AA 2937 at Charlotte
Manchester → Charlotte → St Louis
Timetable, Charlotte time
18:18AA 5457 from Manchester at the gate
16:28AA 2937 to St Louis leaves the gate
22 h 10 apart on the timetable, overnight
AA 2937 leaves 22 h 10 after AA 5457 arrives on the timetable: more than half a day, so not a connection we count.