Security Screening Wait Times

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.

Be prepared for screening - LAGS

Be prepared for screening. Please ensure that all liquids, gels and aerosols in your carry-on baggage are in containers of 100ml or less and placed in a clear, 1L resealable bag. Click here for more information about carry-on baggage requirements.

Permanent closure of CATSA’s mobile app

Please be advised that CATSA’s mobile app was permanently closed on March 29, 2023, following a value assessment review.

Compressed gases

Carry on baggage
Checked baggage
Check with carrier

Certain exemptions apply for carry-on baggage, such as compressed gas cylinders for medical use or as part of a self-inflating life jacket. Your air carrier may agree to transport compressed gases for non-medical use (e.g. paintball cylinders/guns, scuba tanks, self-inflating life jacket), in checked baggage only, provided certain conditions are met.