US Dept of Homeland Security undersecretary Asa Hutchinson said on the 12th Nov that airlines will have to change their behaviour.
http://www.cnn.com/2004/TRAVEL/11/12/bt.flyers.tarmac.reut/
Anyone want to board a flight 6 hours before takeoff? London to LA becomes 16 hours?!
And they wonder why the US dollar is sinking... !