There hasn’t been a hijacking of a commercial American aircraft since the attack on the World Trade Center in 2001, even as hijacking continue around the world.
There could be a multitude of reasons for this success including stronger cockpit doors and tougher TSA screening, or at least the illusion of tougher TSA screenings. Apparently, most hijackers just can’t afford to wait in lines that long.
Another reason could be the Federal Air Marshal (FAM) program where an armed marshal, or two because they often work in pairs, fly undercover amongst the passengers.
Read the whole article published by the Denver Post on June 4, 2018.