Originally Posted by zoobtoob

I would fly AC J for two main reasons.

Fully flat seats in AC J are way more comfortable on a long haul flight that any variety of traditional seat (JL Y+). Soft product may be better with JAL being an asian carrier with typical asian carrier (excellent) service but YMMV.

AC's little publicized stopover program for business class and full fare Y pax. Link here. AC will pay for a hotel room for you for international connections over 6 hours. I would take that opportunity to spend some time in Canada's biggest city and see some other sights.

But then again, best schedule may prevail over all if time is precious.