AA 4123 then BR 658 at O'Hare
Little Rock → Chicago → Toronto Pearson
Timetable, Chicago time
14:20AA 4123 from Little Rock at the gate
11:30BR 658 to Toronto Pearson leaves the gate
21 h 10 apart on the timetable, overnight
BR 658 leaves 21 h 10 after AA 4123 arrives on the timetable: more than half a day, so not a connection we count.