CA 8443 then UA 777 at O'Hare
Anchorage → Chicago → Las Vegas
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
12:47UA 777 to Las Vegas leaves the gate
19 h 48 apart on the timetable, overnight
UA 777 leaves 19 h 48 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.