UA 4670 then CV 69 at O'Hare
Appleton → Chicago → Luxembourg
Timetable, Chicago time
15:50UA 4670 from Appleton at the gate
04:00CV 69 to Luxembourg leaves the gate
12 h 10 apart on the timetable, overnight
CV 69 leaves 12 h 10 after UA 4670 arrives on the timetable: more than half a day, so not a connection we count.