AA 3515 then AA 5247 at O'Hare
Appleton → Chicago → Dayton
Timetable, Chicago time
07:12AA 3515 from Appleton at the gate
19:27AA 5247 to Dayton leaves the gate
12 h 15 apart on the timetable
AA 5247 leaves 12 h 15 after AA 3515 arrives on the timetable: more than half a day, so not a connection we count.