UA 1015 then CV 32 at O'Hare
Boston → Chicago → Luxembourg
Timetable, Chicago time
20:40UA 1015 from Boston at the gate
18:40CV 32 to Luxembourg leaves the gate
22 h apart on the timetable, overnight
CV 32 leaves 22 h after UA 1015 arrives on the timetable: more than half a day, so not a connection we count.