You can no longer apply for the American Express JetBlue card. Back in the winter of 2015, it was announced that the relationship between JetBlue and Amex was coming to an end. The first thing to go seems to be the credit card. The link to apply is unavailable. Reportedly, JetBlue has made a new deal with Barclays. I look forward to seeing the terms of any new credit card offer.
It is still unclear whether JetBlue will remain an American Express Membership Rewards transfer partner. The people at Amex (when you call) don’t seem to have much information either. I guess we will all just have to wait and see.