K4 601 then UA 2148 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
01:45K4 601 from Anchorage at the gate
21:00UA 2148 to Denver leaves the gate
19 h 15 apart on the timetable
UA 2148 leaves 19 h 15 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.