They now have.
They now have been released.
They have.
I have spoken to Easyjet who tell me their summer 2010 flights come out 3 months before the winter schedule ends which for this year is around 13th December!
In 2010 neither airlines did.
A Cold Winter's Day - 2010 was released on: USA: 2010 (New York City, New York)
Wet Cold American Winter - 2010 was released on: USA: 21 December 2010 (internet)
winter or autumn 2010 possibly
Team USA Winter Olympic Uniforms - 2010 TV was released on: USA: 20 February 2010
Food- ography 2010 Winter Holidays 1-15 was released on: USA: 5 December 2010
Conan - 2010 Now Is the Winter of Our Disco Tent was released on: USA: 24 September 2013
Alaskan - 2010 The Longest Winter 2-8 was released on: USA: 3 March 2012
Alaskan - 2010 Winter Is Coming 2-19 was released on: USA: 18 August 2012
Ochocinco The Ultimate Catch - 2010 Winter Wonderland 1-7 was released on: USA: 15 August 2010