Originally Posted by
newyorklondon
DL has different reward inventory (i.e. a greater number of seats available) for its own members using SkyMiles when compared to the inventory it makes available to VS for their members to book using Flying Club miles. As far as I know there is not an easy way to see what reward inventory is available to VS by searching the DL website.
I'm searching VS as well, thus able to do the comparison. But your explanation makes sense.