As someone who made that 11 hour plane ride last August, don't sweat it. There is NO need to dilate in the airport during a layover, etc; that came straight from dr suporn. After one month, the dilation is still fairly easy, believe it or not, and a day out ONCE will not give you any bigger headache than a few extra minutes of dilation effort. Besides, you'll want to be hopped up nice and high for the plane ride home, and you'll be on those pills for another month at home or so, ie you can dilate without much pain. (The painful stuff for me at least started during the 3rd month, and went on for a month or two, when most suporn patients get tighter and you're off pain meds... you'll get through, no sweat, but yeah, be warned!:)