AA 1451 then AA 3306 at Charlotte
Phoenix → Charlotte → Cincinnati
Timetable, Charlotte time
19:22AA 1451 from Phoenix at the gate
19:00AA 3306 to Cincinnati leaves the gate
23 h 38 apart on the timetable, overnight
AA 3306 leaves 23 h 38 after AA 1451 arrives on the timetable: more than half a day, so not a connection we count.