AA 1992 then AA 1877 at Charlotte
St Louis → Charlotte → Providence
Timetable, Charlotte time
13:14AA 1992 from St Louis at the gate
12:15AA 1877 to Providence leaves the gate
23 h 01 apart on the timetable, overnight
AA 1877 leaves 23 h 01 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.