UA 1813 then CV 12 at O'Hare
Cincinnati Northern Kentucky → Chicago → Luxembourg
Timetable, Chicago time
18:42UA 1813 from Cincinnati Northern Kentucky at the gate
14:55CV 12 to Luxembourg leaves the gate
20 h 13 apart on the timetable, overnight
CV 12 leaves 20 h 13 after UA 1813 arrives on the timetable: more than half a day, so not a connection we count.