UA 5381 then CV 69 at O'Hare
Detroit → Chicago → Luxembourg
Timetable, Chicago time
14:48UA 5381 from Detroit at the gate
04:00CV 69 to Luxembourg leaves the gate
13 h 12 apart on the timetable, overnight
CV 69 leaves 13 h 12 after UA 5381 arrives on the timetable: more than half a day, so not a connection we count.