Traveling with Japan Airlines soon? You might be nervous about baggage fees. In this guide, we explain exactly how strict JAL is with carry-on sizes and checked weights. You will learn the official limits, what happens if you are over the limit, and how to save money using services like  AirlnesDealsHub . We also cover how to pay for extra bags online. By the end, you will pack perfectly and avoid stressful surprises at the airport. Why You Need to Know the Japan Airlines Bag