AA 5345 then AA 5610 at Charlotte
Huntsville → Charlotte → Greensboro
Timetable, Charlotte time
11:20AA 5345 from Huntsville at the gate
11:15AA 5610 to Greensboro leaves the gate
23 h 55 apart on the timetable, overnight
AA 5610 leaves 23 h 55 after AA 5345 arrives on the timetable: more than half a day, so not a connection we count.