No matter where you’re traveling or which class of ticket you hold, anyone boarding a commercial flight has to pass through the same security checkpoint when they get to the airport. And while scanning bags is a necessary step in keeping everyone safe, the entire process can be cumbersome—even for those willing to pay a little extra for expedited service. But if you show up prepared to deal with the Transportation Security Administration (TSA), you may not even get slowed down on the way to your gate. Read on for the mistakes that make airport security take longer, according to travel experts.

Find out what Mercedes Zach, a travel expert at ASAP Tickets and other experts think here