Originally Posted by
ijgordon
At the end of the day, it's basic supply and demand. Reduce supply (smaller Y cabins, even if they add a frequency or two), and assuming external demand remains constant, you can command a higher price.
That assumes nobody else does anything to increase supply (and eat some of AA's marketshare), and push fares back down to equilibrium. There are a few other airlines that fly out of JFK to the West Coast.