Two factors: risk of getting caught is relatively low if one is careful, and penalties are fairly minor if apprehended. In my case, I never board a domestic fl

Two factors: risk of getting caught is relatively low if one is careful, and penalties are fairly minor if apprehended. In my case, I never board a domestic flight without at least four bluntsworth of bud. And recently have been taking the same approach for international flights originating in the US with stops and terminus in countries with a strong tradition of rule of law and/or cannabis tolerance (ie, most of Western Europe, North and Latin America).