K4 601 then AA 564 at O'Hare
Anchorage → Chicago → Buffalo
Timetable, Chicago time
02:16K4 601 from Anchorage at the gate
21:16AA 564 to Buffalo leaves the gate
19 h apart on the timetable
AA 564 leaves 19 h after K4 601 arrives on the timetable: more than half a day, so not a connection we count.