K4 601 then UA 4550 at O'Hare
Anchorage → Chicago → Columbia Regional
Timetable, Chicago time
01:45K4 601 from Anchorage at the gate
19:45UA 4550 to Columbia Regional leaves the gate
18 h apart on the timetable
UA 4550 leaves 18 h after K4 601 arrives on the timetable: more than half a day, so not a connection we count.