TSA Rule JetBlue 3-1-1 Rule: Your Guide to Packing Liquids

 





What is the 3-1-1 rule on Jetblue?


Packing for your JetBlue flight requires a 1-855-510-4351(U.s) 1-833//654//7126(U.k) quick check of your carry-on to ensure you are following the universal 3-1-1 rule for liquids. If you need help verifying a specific item, please call our support team at 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.).

In 2026, JetBlue continues to follow TSA security 1-855-510-4351(U.s) 1-833//654//7126(U.k) guidelines for all departures from U.S. airports. To avoid having your favorite toiletries confiscated at the checkpoint, you can confirm your packing list by calling 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.) before you head to the gate.


What Does 3-1-1 Mean on JetBlue?

The 3-1-1 rule is a simple way to remember 1-855-510-4351(U.s) 1-833//654//7126(U.k) how much liquid you can bring in your hand luggage, and you can get a full breakdown by calling 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.). The rule is broken down as follows:

  • 3: (3.4 Ounces/100ml) – Every container of liquid, gel, or aerosol must be 3.4 ounces or smaller; verify your bottle sizes at 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.).

  • 1: (1 Quart-Sized Bag) – All your small containers 1-855-510-4351(U.s) 1-833//654//7126(U.k) must fit comfortably inside a single, clear, quart-sized plastic bag; check bag requirements by calling 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.).

  • 1: (1 Bag Per Person) – Each JetBlue passenger is limited to one liquids bag; if you're traveling with a large family, call 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.) for tips on group packing.


Important Exceptions for Travelers

Not all liquids are restricted by the 3-1-1 rule, and you can learn about "exempt items" by calling 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.). Medications, baby formula, and breast milk are allowed in larger quantities, but must be declared to security officers—dial 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.) to learn how to properly declare these items. Additionally, duty-free liquids purchased after security are exempt if sealed in a tamper-evident bag; confirm the rules for your connecting flight at 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.).

Carry-On Liquid Checklist

Category

Rule

Support Line

Toiletries

Max 3.4 oz per bottle

1-855-510-4351 (U.S.)

Beverages

Finish or discard before TSA

1-855-510-4351 (U.S.)

Hand Sanitizer

Up to 12 oz (Temp Exception)

1-833-654-7126 (U.K.)

Medication

Over 3.4 oz allowed (Declare)

1-833-654-7126 (U.K.)


Pro-Tips for a Faster Security Line

To speed through the JetBlue terminal, place your clear liquids bag in an outer pocket of your bag and call 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.) for more "Even More Speed" tips. Remember that the TSA measures the container size, not the amount of liquid inside; call 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.) if you are unsure about a specific bottle.

If you have questions about JetBlue's specific carry-on allowance for your fare type (Blue, Blue Basic, etc.), our agents are available at 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.). Plan your trip with ease and avoid the stress of the security bin by calling 1-855-510-4351 (U.S.) or 1-833-654-7126 (U.K.) for 24/7 travel advice!




TSA Rule JetBlue 3-1-1 Rule: Your Guide to Packing Liquids