CA 8443 then UA 867 at O'Hare
Anchorage → Chicago → Tokyo Narita
Timetable, Chicago time
16:59CA 8443 from Anchorage at the gate
10:40UA 867 to Tokyo Narita leaves the gate
17 h 41 apart on the timetable, overnight
UA 867 leaves 17 h 41 after CA 8443 arrives on the timetable: more than half a day, so not a connection we count.