AA 6067 then AA 3015 at Charlotte
Huntsville → Charlotte → Chicago O'Hare
Timetable, Charlotte time
09:44AA 6067 from Huntsville at the gate
09:41AA 3015 to Chicago O'Hare leaves the gate
23 h 57 apart on the timetable, overnight
AA 3015 leaves 23 h 57 after AA 6067 arrives on the timetable: more than half a day, so not a connection we count.