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.
Carry on baggage
Passengers flying with or without their child will be permitted to bring breast milk in quantities greater than 100 ml provided it is presented to the Screening Officer for inspection prior to screening. Gel or ice packs are also permitted.