Checked Baggage Screening The majority of checked baggage is screened without the need for a physical bag search. Inspection Notices: TSA may inspect your checked baggage during the screening process. If your property is physically inspected, TSA will place a notice of baggage inspection inside your bag.

Yes, 100% of checked bags undergo a rigorous, multi-layered security screening process before they are loaded onto a commercial aircraft. In 2026, this is primarily done using advanced Computed Tomography (CT) scanners, which create a 3D image of the bag's contents to detect explosives and prohibited items. If the automated system identifies a "threat" or an unrecognizable object, the bag is flagged for a physical inspection by a TSA officer. During a physical check, the officer will open the bag, inspect the contents, and usually leave a "Notice of Baggage Inspection" slip inside to inform the traveler. Beyond security, bags are also "checked" by sophisticated automated sorting systems that read the 10-digit IATA barcode on the bag tag to ensure the luggage is routed to the correct aircraft. In some high-security hubs, bags may also be screened by "vapor trace" technology or specialized K9 units trained to detect illicit substances. While you may not see the process, every suitcase that disappears behind the black rubber curtains at the check-in counter is scrutinized to ensure the safety of the flight.