5X 5602 then AA 4298 at O'Hare
Louisville → Chicago → Champaign
Timetable, Chicago time
18:075X 5602 from Louisville at the gate
17:15AA 4298 to Champaign leaves the gate
23 h 08 apart on the timetable, overnight
AA 4298 leaves 23 h 08 after 5X 5602 arrives on the timetable: more than half a day, so not a connection we count.