AA 6479 then 5X 603 at O'Hare
Milwaukee → Chicago → Louisville
Timetable, Chicago time
10:05AA 6479 from Milwaukee at the gate
22:305X 603 to Louisville leaves the gate
12 h 25 apart on the timetable
5X 603 leaves 12 h 25 after AA 6479 arrives on the timetable: more than half a day, so not a connection we count.