AA 5345 then AA 2778 at Charlotte
Huntsville → Charlotte → Grand Rapids
Timetable, Charlotte time
11:20AA 5345 from Huntsville at the gate
10:20AA 2778 to Grand Rapids leaves the gate
23 h apart on the timetable, overnight
AA 2778 leaves 23 h after AA 5345 arrives on the timetable: more than half a day, so not a connection we count.