AA 2520 then WN 544 at Charlotte
Memphis → Charlotte → Baltimore
Timetable, Charlotte time
07:55AA 2520 from Memphis at the gate
20:05WN 544 to Baltimore leaves the gate
12 h 10 apart on the timetable
WN 544 leaves 12 h 10 after AA 2520 arrives on the timetable: more than half a day, so not a connection we count.