AA 3894 then 5X 603 at O'Hare
Cincinnati Northern Kentucky → Chicago → Louisville
Timetable, Chicago time
09:32AA 3894 from Cincinnati Northern Kentucky at the gate
22:305X 603 to Louisville leaves the gate
12 h 58 apart on the timetable
5X 603 leaves 12 h 58 after AA 3894 arrives on the timetable: more than half a day, so not a connection we count.