5X 5602 then AA 6459 at O'Hare
Louisville → Chicago → Kansas City
Timetable, Chicago time
18:075X 5602 from Louisville at the gate
16:59AA 6459 to Kansas City leaves the gate
22 h 52 apart on the timetable, overnight
AA 6459 leaves 22 h 52 after 5X 5602 arrives on the timetable: more than half a day, so not a connection we count.