Originally Posted by xolinlevh

So flying MSP-LAX yesterday morning, as we were beginning the initial descent, the FAs got on the PA and were doing the normal safety things, with a interesting addition. "if you are seated in our main cabin your windows must be open" all of us in first left ours closed and slept until we touched down, but i cant think of a single valid reason to have all the coach windows open. Anyone know the reasoning behind this?