CA 1017 then UA 1732 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
19:05CA 1017 from Anchorage at the gate
16:15UA 1732 to Las Vegas leaves the gate
21 h 10 apart on the timetable, overnight
UA 1732 leaves 21 h 10 after CA 1017 arrives on the timetable: more than half a day, so not a connection we count.