JetBlue has finally begun to fly its first Airbus ... With a 15-20% boost in fuel efficiency over the previous generation of A321 jets - known as the A321ceo, or "current engine option" - the ...

Earlier this year, JetBlue upgraded its San Juan service to an Airbus A321, a bigger jet than the A320 it had been using for the seasonal flight. It was a demand-driven decision, the airline said ...