UA 1299 then CV 21 at O'Hare
Indianapolis → Chicago → Luxembourg
Timetable, Chicago time
16:51UA 1299 from Indianapolis at the gate
16:50CV 21 to Luxembourg leaves the gate
23 h 59 apart on the timetable, overnight
CV 21 leaves 23 h 59 after UA 1299 arrives on the timetable: more than half a day, so not a connection we count.