CI 5234 then UA 2226 at O'Hare
Anchorage → Chicago → Buffalo
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
14:18UA 2226 to Buffalo leaves the gate
18 h 53 apart on the timetable, overnight
UA 2226 leaves 18 h 53 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.