But we're thinking this might be a bit of a pain in the global airport customer satisfaction survey. In some airports, call-outs from TSA agents found 4,239 total firearms in carry-ons in 2018, an average of 81.6 firearms per. Analysis: Rather than treating every air passenger like a terrorist, security experts explain why Israeli-type security measures won't work at Los Angeles International Airport. Passengers should think about things not to wear when flying - tight clothing. Experts in airport terminals, Ms.