CA 8443 then UA 455 at O'Hare
Anchorage → Chicago → Phoenix
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
12:55UA 455 to Phoenix leaves the gate
19 h 56 apart on the timetable, overnight
UA 455 leaves 19 h 56 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.