UA 2426 then CV 12 at O'Hare
New York LaGuardia → Chicago → Luxembourg
Timetable, Chicago time
21:20UA 2426 from New York LaGuardia at the gate
14:55CV 12 to Luxembourg leaves the gate
17 h 35 apart on the timetable, overnight
CV 12 leaves 17 h 35 after UA 2426 arrives on the timetable: more than half a day, so not a connection we count.