AA 2618 then AA 2585 at Charlotte
Grand Rapids → Charlotte → Jacksonville
Timetable, Charlotte time
07:39AA 2618 from Grand Rapids at the gate
07:33AA 2585 to Jacksonville leaves the gate
23 h 54 apart on the timetable, overnight
AA 2585 leaves 23 h 54 after AA 2618 arrives on the timetable: more than half a day, so not a connection we count.