AA 2316 then AA 5599 at Charlotte
Baltimore → Charlotte → Springfield
Timetable, Charlotte time
16:00AA 2316 from Baltimore at the gate
15:36AA 5599 to Springfield leaves the gate
23 h 36 apart on the timetable, overnight
AA 5599 leaves 23 h 36 after AA 2316 arrives on the timetable: more than half a day, so not a connection we count.