AA 2618 then WN 544 at Charlotte
Grand Rapids → Charlotte → Baltimore
Timetable, Charlotte time
07:39AA 2618 from Grand Rapids at the gate
20:05WN 544 to Baltimore leaves the gate
12 h 26 apart on the timetable
WN 544 leaves 12 h 26 after AA 2618 arrives on the timetable: more than half a day, so not a connection we count.