AA 5430 then AA 345 at Charlotte
Dayton → Charlotte → San José (Costa Rica)
Timetable, Charlotte time
11:32AA 5430 from Dayton at the gate
09:45AA 345 to San José (Costa Rica) leaves the gate
22 h 13 apart on the timetable, overnight
AA 345 leaves 22 h 13 after AA 5430 arrives on the timetable: more than half a day, so not a connection we count.