KJ 248 then AC 502 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
14:14KJ 248 from Anchorage at the gate
10:15AC 502 to Toronto Pearson leaves the gate
20 h 01 apart on the timetable, overnight
AC 502 leaves 20 h 01 after KJ 248 arrives on the timetable: more than half a day, so not a connection we count.