CA 1011 then UA 1803 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
17:12CA 1011 from Anchorage at the gate
10:30UA 1803 to Las Vegas leaves the gate
17 h 18 apart on the timetable, overnight
UA 1803 leaves 17 h 18 after CA 1011 arrives on the timetable: more than half a day, so not a connection we count.