UA 392 then UA 5539 at O'Hare
Eugene → Chicago → Cleveland
Timetable, Chicago time
20:40UA 392 from Eugene at the gate
10:50UA 5539 to Cleveland leaves the gate
14 h 10 apart on the timetable, overnight
UA 5539 leaves 14 h 10 after UA 392 arrives on the timetable: more than half a day, so not a connection we count.