CI 5226 then UA 4382 at O'Hare
Anchorage → Chicago → Buffalo
Timetable, Chicago time
11:55CI 5226 from Anchorage at the gate
10:30UA 4382 to Buffalo leaves the gate
22 h 35 apart on the timetable, overnight
UA 4382 leaves 22 h 35 after CI 5226 arrives on the timetable: more than half a day, so not a connection we count.