K4 601 then UA 2160 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
01:45K4 601 from Anchorage at the gate
19:45UA 2160 to Washington National leaves the gate
18 h apart on the timetable
UA 2160 leaves 18 h after K4 601 arrives on the timetable: more than half a day, so not a connection we count.