AA 1509 then WN 198 at Atlanta
Cleveland → Atlanta → Nashville
Timetable, Atlanta time
09:08AA 1509 from Cleveland at the gate
21:35WN 198 to Nashville leaves the gate
12 h 27 apart on the timetable
WN 198 leaves 12 h 27 after AA 1509 arrives on the timetable: more than half a day, so not a connection we count.