K4 601 then UA 658 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
01:45K4 601 from Anchorage at the gate
20:19UA 658 to Las Vegas leaves the gate
18 h 34 apart on the timetable
UA 658 leaves 18 h 34 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.