CI 5234 then UA 1335 at O'Hare
Anchorage → Chicago → Buffalo
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
17:59UA 1335 to Buffalo leaves the gate
22 h 34 apart on the timetable, overnight
UA 1335 leaves 22 h 34 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.