CV 78 then CV 5606 at O'Hare
Dallas-Fort Worth → Chicago → Luxembourg
Timetable, Chicago time
20:02CV 78 from Dallas-Fort Worth at the gate
19:20CV 5606 to Luxembourg leaves the gate
23 h 18 apart on the timetable, overnight
CV 5606 leaves 23 h 18 after CV 78 arrives on the timetable: more than half a day, so not a connection we count.