5X 5606 then CV 12 at O'Hare
Louisville → Chicago → Luxembourg
Timetable, Chicago time
17:375X 5606 from Louisville at the gate
14:55CV 12 to Luxembourg leaves the gate
21 h 18 apart on the timetable, overnight
CV 12 leaves 21 h 18 after 5X 5606 arrives on the timetable: more than half a day, so not a connection we count.