These rules include the dimensions of your carry-on bag and personal item, and in some scenarios, even the weight. The carry-on size limit for many airlines is 22 x 14 x 9 inches. Most domestic ...

Airlines calculate carry-on luggage size measurements using two methods: Height by width by depth: Most – but not all – airlines measure bags by inches or centimeters using this formula ...

As for carry-on bags, those are an entirely different world of fees and size restrictions – you can find information for major American and international airlines in a separate U.S. News guide ...

Delta has a maximum carry-on size of 22 inches by 14 inches by nine inches — no bag may exceed 45 linear inches combined. Frontier Airlines includes totes, computer bags, and kids' backpacks as ...