According to Jetblue Baggage Allowance the permitted free carry-on items are as follows: For Blue, Blue Plus, Blue Extra, and Mint prices, you are allowed one carry-on bag and one personal item. For Blue Basic fares, one personal item. The amount of free checked luggage depends on the route and cost taken. The standard checked baggage limit for Blue Mint prices is two free bags, each weighing up to 70lb/32kg. Jetblue Baggage Allowance for checked baggage limit for Blue Plus prices is 1 free checked bag up to 50lb/23kg.