TSA PreCheck allows travelers on Air Canada to get through security checks more quickly when they are leaving U.S. airports. Air Canada TSA Precheck in order to receive benefits, you need to have your frequent flyer profile or reservation linked to your Known Traveler Number (KTN) and be enrolled in TSA PreCheck. With TSA PreCheck, you can keep gadgets and liquids in your bag and pass through a special screening line without having to take off your shoes, belt, or light jacket. To utilize this service, confirm that your boarding pass has the TSA PreCheck indicator displayed on it. For frequent passengers who want to streamline their time at airports, it's a convenient choice.