Originally Posted by
madfish
Maybe connected with new booking class trial?
And given that BOS is the same in all cabins, I think this is the answer.
Edit. Welcome to FT.
I noticed Boston too, not a single seat in J or F for the whole year ahead, according to BAredemptionfinder. That can't be right, BOS usually has loads of availability, I'm due on my second F redemption there, in early 2019.