AA 5191 then WN 544 at Charlotte
Knoxville → Charlotte → Baltimore
Timetable, Charlotte time
07:29AA 5191 from Knoxville at the gate
20:05WN 544 to Baltimore leaves the gate
12 h 36 apart on the timetable
WN 544 leaves 12 h 36 after AA 5191 arrives on the timetable: more than half a day, so not a connection we count.