What is the 3-1-1 rule on Alaska Airlines?

Written by Admin | Last Updated: August 2026

The three-one-one rule enforced by Alaska Airlines complies with federal transportation security standards for carry-on baggage. It mandates that all passenger liquids, aerosols, and gels must fit inside containers of 3.4 ounces or smaller, fit snugly into a single clear, quart-sized plastic zip-top bag, and be removed from backpacks or carry-on suitcases for independent inspection at airport security checkpoints.

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