BR 608 then UA 2226 at O'Hare
Anchorage → Chicago → Buffalo
Timetable, Chicago time
20:40BR 608 from Anchorage at the gate
14:18UA 2226 to Buffalo leaves the gate
17 h 38 apart on the timetable, overnight
UA 2226 leaves 17 h 38 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.