UA 2324 then CV 12 at O'Hare
Newark → Chicago → Luxembourg
Timetable, Chicago time
16:24UA 2324 from Newark at the gate
14:55CV 12 to Luxembourg leaves the gate
22 h 31 apart on the timetable, overnight
CV 12 leaves 22 h 31 after UA 2324 arrives on the timetable: more than half a day, so not a connection we count.