American allows you to can carry on one bag and one personal item. The bag must be no more than 22 inches long by 14 inches wide by 9 inches tall, with a maximum combined size of 45 linear inches. You should store your bag in the overhead bin.
Personal items include backpacks or purses, briefcases, laptop bags or similar items that do not exceed 36 linear inches as measured by adding length, width and height together. This item must fit under the seat in front of you.
You may bring an umbrella or other items onto the plane in addition to the carry-on limits. Besides an umbrella, this includes coats, hats and reading material. You may also bring a child or infant seat, stroller or a diaper bag if you are traveling with a child, medical or assistive devices, food that you will eat on the plane, and a pillow or blanket.
