: Adhere to the "3-1-1" rule (sometimes referred to as 3-3-3 ): liquids must be 3.4 ounces (100ml) or less per container, all fitting in one quart-sized clear bag [34].

: Many airlines allow you to check in 24 hours in advance. This lets you skip the counter if you only have a carry-on [8, 14].

TSA security is a multi-layered process designed to keep passengers safe [19].