CI 5234 then UA 867 at O'Hare
Anchorage → Chicago → Tokyo Narita
Timetable, Chicago time
11:25CI 5234 from Anchorage at the gate
10:40UA 867 to Tokyo Narita leaves the gate
23 h 15 apart on the timetable, overnight
UA 867 leaves 23 h 15 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.