K4 523 then AA 4603 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
20:33K4 523 from Anchorage at the gate
18:55AA 4603 to Louisville leaves the gate
22 h 22 apart on the timetable, overnight
AA 4603 leaves 22 h 22 after K4 523 arrives on the timetable: more than half a day, so not a connection we count.