American Airlines permits its passengers with American Airlines reservation to carry along 1 carry-on baggage as well as 1 personal item for free. The personal item may include your purse, small briefcase or your laptop bag. There are certain weight restrictions for both carry-on and checked baggage, you are allowed to take carry-on baggage under the dimensions, 45 linear inches (22 x 14 x 9 in) or 115 centimeters (56 x 36 x 23 cm) including handles and wheels.