K4 601 then UA 3921 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
01:39K4 601 from Anchorage at the gate
22:00UA 3921 to Washington National leaves the gate
20 h 21 apart on the timetable
UA 3921 leaves 20 h 21 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.