JetBlue Carry On Size Guide (2026): Dimensions, Limits, Basic Rules & Packing Tips

If you’re flying JetBlue, knowing the carry on rules before you pack can save you time, money, and a stressful moment at the gate. JetBlue’s limits are simple, you get one carry on bag for the overhead compartment and one personal item for under the seat. This guide walks you through the carry on dimensions, correctly meausring bags, Blue Basic, and more.

JetBlue Carry On and Personal Item Size

JetBlue lists these maximum dimensions:

• Carry on bag: 22" x 14" x 9"
• Personal item: 17" x 13" x 8" 

There are no weight restrictions for carry ons.

JetBlue Carry On vs. Personal Item

Source: JetBlue Official

• A carry on goes in the overhead compartment, normally fitting a small roller suitcase, duffel bag, large backpacks, etc.
• A personal item must be able to fit under the seat in front of you, normally fitting a laptop bag, small purse, small backpack.

JetBlue Carry On Size: Blue Basic

JetBlue announced Blue Basic, JetBlue'a version of basic economy fare, would include one complimentary carry on bag for customers flying starting from September 6th, 2024.

Measuring JetBlue Carry On Size

A common mistake is measuring only the fabric part of the suitcase. JetBlue mentioned to include the wheels and handles so measure the full suitcase.

• Stand your bag or suitcase upright.
• Measure the height from the floor to the highest point.
• Measure the width from side to side.
• Measure the depth, lay it down on the floor for a better measurement.

JetBlue Carry On Rules

JetBlue publishes clear dimensions, and airports use bag sizers when they need to enforce limits. They do so most commonly when flights are full, boarding is tight, or a bag looks oversized.

Here are some things to be aware off:

• Hard shell rollers exceeding the 22" height
• Overstuffed duffels/backpacks that won’t fit under the seat
• Third item situations such as: carry on + personal item + large shopping bag

JetBlue Oversized Carry On's

Source: JetBlue Official

If your bag can’t fit in the overhead compartment or under the seat, it may need to be checked. Fees can depend on your fare, route, and whether you’ve already purchased checked baggage. To avoid all this trouble, the best move is to stay within the size limits and boarding with a cabin friendly bag.

JetBlue Carry On: Packing Tips

Here are some tips to help you to prevent actual gate checking:

Choose the right bag style

• If you are reaching the limit, a soft sided carry on bag is better than a hard shell one because it can compress.
• Pay attention to some rollers as some are taller than 22" once wheels are included.

Make sure it fits under the seat

• JetBlue’s personal item max is 17" x 13" x 8".
• That means a bulky backpack, especially ones with rigid frames, are the worst personal item you can bring.

Don’t overpack the outside pockets

• A carry on that’s 22" tall can be too big when the front pocket bulges. Measure it fully packed.

Board earlier

• Overhead compartment space disappears fast on full flights. If ikeeping the carry on with you is important or you will need access to it during the flight, board earlier as those spaces are first come first served.