5X 5602 then AA 6248 at O'Hare
Louisville → Chicago → Columbus (Ohio)
Timetable, Chicago time
18:075X 5602 from Louisville at the gate
16:23AA 6248 to Columbus (Ohio) leaves the gate
22 h 16 apart on the timetable, overnight
AA 6248 leaves 22 h 16 after 5X 5602 arrives on the timetable: more than half a day, so not a connection we count.