7. Keep your cool: It's easy to get annoyed or frustrated in a long, slow line, but if you have a gripe, consider waiting until later to make a formal complaint. While it's true that the Portland, Oregon, man who was arrested after stripping in protest at a security checkpoint was ultimately acquitted, he did miss his flight.
Final tip: Nothing could be more time-consuming than going through security twice but it could happen. Airlines are starting to crack down on baggage transgressions and if your bag is too big you could be sent all the way back to the ticket counter to check it and pay the fee.
Opinions expressed in this column are solely those of the author.