UA 986 then BR 658 at O'Hare
Paris Charles de Gaulle → Chicago → Toronto Pearson
Timetable, Chicago time
14:05UA 986 from Paris Charles de Gaulle at the gate
11:30BR 658 to Toronto Pearson leaves the gate
21 h 25 apart on the timetable, overnight
BR 658 leaves 21 h 25 after UA 986 arrives on the timetable: more than half a day, so not a connection we count.