In a customer-friendly move, JetBlue Airways (JBLU) recently announced plans to expand its network in Puerto Rico. The low-cost carrier also revealed plans to introduce the highly popular Mint service — JBLU’s take on premium travel — to three cities. As part of its expansion move, it also intends to start flying to three more Caribbean destinations. Let’s delve deeper. To boost its presence in Puerto Rico, management announced that from October, it will add flights to six new destinations from its capital ...