UA 565 then K4 810 at O'Hare
Washington → Chicago → Anchorage
Timetable, Chicago time
07:30UA 565 from Washington at the gate
04:00K4 810 to Anchorage leaves the gate
20 h 30 apart on the timetable, overnight
K4 810 leaves 20 h 30 after UA 565 arrives on the timetable: more than half a day, so not a connection we count.