Originally Posted by
icarius
To me, it is considered just plainly rude and is cutting the line. I have told off people before for doing so as its simply not fair to the people waiting in front of you. If you want to cut and ask, you should also do so politely and nicely and not expect any favours. I have told off fellow Y passengers or a F couple. If people follow the rules to stay in line, you should not cut the line
It's not cutting if the person in front of you is holding up the flow of passengers through security. Think about all of the people behind you that benefit from a faster and more consistent flow through screening.