It is supposed to operate eastbound out of Toronto on Sun / Tue / Wed / Thu and turn-around in Brussels for an afternoon return. But so far they have only managed flghts on the 31st May, 4th and 7th June ( today! gah ).
They were trying to arrange a lie-over crew in Brussels but I don't know if that's in place yet.
Check fr24.com/data for a/c C-GKFD and C-GKFT and you should be able to see the timings.