We haven't had a really successful hijacking since the passengers on Flight 93 heard what was happened with the other 3 and realized the rules of the game had b

We haven't had a really successful hijacking since the passengers on Flight 93 heard what was happened with the other 3 and realized the rules of the game had been changed. As others have noted, this has to rate as one of the shortest effective periods for a terrorist gambit, only a couple of hours.