K4 221 then AA 3456 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
07:57K4 221 from Anchorage at the gate
20:45AA 3456 to Toronto Pearson leaves the gate
12 h 48 apart on the timetable
AA 3456 leaves 12 h 48 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.