View Policies Current Attempt in Progress Why do airlines charge even higher rates for heavier bags, bags that are odd shapes (e.g., ski bags), and bags with hazardous materials in them? It is mandated by the Federal Aviation Administration. To penalize travelers for not packing light. They can make more money by taking advantage of travelers. It costs airlines more to load, handle, store and fly heavier packages. Save for Later Attempts: 0 of 1 used Submit