UA 4805 then CV 69 at O'Hare
Dayton → Chicago → Luxembourg
Timetable, Chicago time
14:44UA 4805 from Dayton at the gate
04:00CV 69 to Luxembourg leaves the gate
13 h 16 apart on the timetable, overnight
CV 69 leaves 13 h 16 after UA 4805 arrives on the timetable: more than half a day, so not a connection we count.