This Queens, New York-based airline, which has been described by some aviation experts as a hybrid between budget and legacy carrier, has carry-on policies in line with most of its competitors. Here’s what to know about JetBlue carry-on size, personal items and more. In this article JetBlue carry-on allowance. JetBlue carry-on and personal item size. JetBlue carry-on weight limit. JetBlue carry-on rules and restrictions. What free extra items does JetBlue allow? JetBlue checked bag basics. JetBlue carry-on rules for musical instruments. Top three JetBlue carry-on luggage tips. JetBlue carry-on FAQs. Still have questions about JetBlue carry-on size? About this guide. JetBlue carry-on allowance. Every JetBlue fare, including Blue Basic, the airline’s lowest-priced option — allows one carry-on bag and one personal item at no extra charge. This policy applies across all fare categories, so you don’t need to upgrade just to bring a bag onboard. The catch?…