CI 5234 then UA 777 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
12:47UA 777 to Las Vegas leaves the gate
17 h 22 apart on the timetable, overnight
UA 777 leaves 17 h 22 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.