Weights (such as dumbbells or other fitness & aerobic weights): Contact your air carrier for more information on size, weight and quantity limits for carry-on and checked baggage. Certain powders and granular materials in your carry-on are limited to a total quantity of 350 ml or less (roughly the size of a soda can).
CATSA encourages all passengers to arrive at their departing airport well in advance of their flight. Many airlines advise passengers to arrive two hours in advance for domestic flights and three hours in advance for US and international flights.