AA 2486 then AA 3037 at Charlotte
St Louis → Charlotte → Baltimore
Timetable, Charlotte time
16:49AA 2486 from St Louis at the gate
16:46AA 3037 to Baltimore leaves the gate
23 h 57 apart on the timetable, overnight
AA 3037 leaves 23 h 57 after AA 2486 arrives on the timetable: more than half a day, so not a connection we count.