I think it will e hard to know what JFK-LAX flights will have A321LD at this point. Maybe we will know by May.

As for the designs of those seat, they are basically trying to achieve widebody comfort with narrowbody aircraft. The mint studios would be comparable to an international F in experience I guess, but maybe not as large.

The mint suites seem kind of tight. I'd need to fly in one to see how that really feels. It's unlikely to provide as much space as the 4 across herringbone products on 777/350, since those are just larger aircraft. Which I look at as the standard higher end international J seating. However, those often have a lot of wasted space in the aisles and in the seat themselves. If they designed the seats well, I think they can make it functionally as spacious as those seating.

I'd thinking these are better than the 7/8 across 777s you see sometimes domestically/internationally or those 4/5 across on 767s. Those are just really a squeeze with no privacy.

So on NYC-LAX, I think these will be the better than their rivals. Once they get enough of these A321LD in service, it would make sense to have them fly all the NYC-LAX/SFO flights moved to them.