CA 3103 then AA 5519 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
15:07CA 3103 from Anchorage at the gate
14:42AA 5519 to Louisville leaves the gate
23 h 35 apart on the timetable, overnight
AA 5519 leaves 23 h 35 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.