AA 4977 then 5X 603 at O'Hare
Albany (New York) → Chicago → Louisville
Timetable, Chicago time
09:10AA 4977 from Albany (New York) at the gate
21:235X 603 to Louisville leaves the gate
12 h 13 apart on the timetable
5X 603 leaves 12 h 13 after AA 4977 arrives on the timetable: more than half a day, so not a connection we count.