ET 3608 then AA 3456 at O'Hare
Anchorage → Chicago → Toronto Pearson
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
20:45AA 3456 to Toronto Pearson leaves the gate
13 h 29 apart on the timetable
AA 3456 leaves 13 h 29 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.