CX 80 then AA 2202 at O'Hare
Anchorage → Chicago → Buffalo
Timetable, Chicago time
19:15CX 80 from Anchorage at the gate
15:19AA 2202 to Buffalo leaves the gate
20 h 04 apart on the timetable, overnight
AA 2202 leaves 20 h 04 after CX 80 arrives on the timetable: more than half a day, so not a connection we count.