“The cabin proposed for the Jet Blue Airlines A321 (U.S. operator) is a two class layout, with 16 business class seats and 143 economy class seats (159 passengers),” says Airbus.

http://blog.apex.aero/cabin-interior...divider-a321s/

Now I just need to become familiar with their routes. Looks like someone is going to cash in on WN's debacle of FL.