UA 490 then K4 810 at O'Hare
Cleveland → Chicago → Anchorage
Timetable, Chicago time
07:40UA 490 from Cleveland at the gate
04:00K4 810 to Anchorage leaves the gate
20 h 20 apart on the timetable, overnight
K4 810 leaves 20 h 20 after UA 490 arrives on the timetable: more than half a day, so not a connection we count.