In this JetBlue Blue Extra ref, passengers can stretch their seats easily within 38° legroom. Passengers can make their journey with the best amenities and comfort. JetBlue Airlines offers a premium fare option called Blue Extra. Extra. This includes extra legroom seating, priority boarding, dedicated security line access, expedited baggage handling, bonus TrueBlue points, premium snacks and beverages, enhanced customer support, flexibility in changes and cancellations, and exclusive partner offers. Blue Extra promises an elevated travel experience for both business and leisure travelers.