K4 917 then AA 6488 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
08:21K4 917 from Anchorage at the gate
08:00AA 6488 to Toronto Pearson leaves the gate
23 h 39 apart on the timetable, overnight
AA 6488 leaves 23 h 39 after K4 917 arrives on the timetable: more than half a day, so not a connection we count.