What Size Carry On for Delta? The 22 x 14 x 9 Rule Explained

Quick answer: What size carry on for Delta is allowed? The limit is 22 x 14 x 9 inches (56 x 35 x 23 cm), which is 45 linear inches in total, and that includes the wheels and handles. Each passenger gets one carry-on bag plus one personal item free. Delta’s US carry-on page lists no weight limit. Policies change, so check delta.com before you fly.

That’s the headline number. In my reading of Delta’s pages, the details around it are where people get caught.

A “22-inch” suitcase from a product listing isn’t always 22 inches once you add the wheels. And on small regional jets, the size rule barely matters, because your roller goes under the plane anyway.

What Size Carry On for Delta: Limits at a Glance

Bag	Delta limit	Cost
Carry-on bag	22 x 14 x 9 in (56 x 35 x 23 cm), 45 linear in, wheels and handles included	Free
Personal item	No set size; must fit under the seat in front of you	Free
Checked bag	62 linear in (157 cm); 50 lb standard in Main, Comfort and Premium Select	Fees vary by fare and route
Carry-on weight	No limit listed on Delta’s US carry-on page	n/a
Flights with 50 seats or fewer	Only personal items in the cabin; bigger bags get a planeside tag	Free

Musical instruments are a small exception. Delta says small instruments that fit in the overhead bin or under a seat aren’t held to these measurements.

What Size Carry On Is Allowed on Delta, Measured Properly

Delta says the measurement includes handles and wheels. So I’d measure the whole bag, not the packing compartment a brand lists.

1. Stand the bag on its wheels with the handle pushed all the way down.
2. Measure height from the floor to the top of the handle: 22 inches max.
3. Measure width across the widest point, side handles included: 14 inches max.
4. Measure depth front to back, pockets included and packed: 9 inches max.

The trick is to measure after you pack. A soft bag that’s 9 inches deep empty can bulge past that with a full front pocket. If you’re unsure, Delta points to size-check displays at ticket counters and gates.

Expansion zippers deserve a warning of their own. Many carry-ons gain an inch or two when you unzip the expansion panel, and that extra depth is exactly where a 9-inch limit fails, so I’d keep the panel zipped shut on the way to the airport and only open it for the trip home if you’re checking the bag.

Why the Limit Exists

It’s partly federal. Under FAA rule 14 CFR 121.589, an airline must run an approved carry-on program, and every bag has to be stowed in an approved compartment or under a seat before takeoff and landing. Delta’s baggage FAQ says the FAA mandates that all carry-on items fit under a seat or in an enclosed storage compartment.

It’s also space, and in practice that matters more on a packed evening flight. Delta says gate or flight staff may further limit carry-on bags on a particular flight based on cabin space and the number of passengers.

What Changes the Answer

• Regional jets. On Delta Connection flights with 50 seats or fewer, only personal items go in the cabin. Larger carry-ons get a pink Gate Claim/Planeside tag, ride in the cargo bin and come back to you as you get off.
• Full overhead bins. If your bag doesn’t fit or the flight is short on bin space, a gate agent or flight attendant can check it at the gate. Delta also says some carry-ons may be gate checked free of charge.
• Basic Economy. Delta’s Basic Economy page lists a complimentary carry-on bag. It also warns that bin space may be limited, so your bag may be gate checked free.
• Partner-operated flights. If another airline operates a leg, its carry-on rules can be stricter. Check the operating carrier.

Things That Don’t Count Toward Your Carry-On

Delta lets you bring these on board without using your bag allowance:

• A jacket and/or umbrella
• Food or drink bought after the security checkpoint
• A bag or box of duty-free merchandise
• Strollers, wheelchairs, child safety seats and assistive devices such as crutches

My advice? Don’t stuff your jacket pockets to dodge the size rule. When you pack to 22 x 14 x 9, the rest takes care of itself.

Frequently Asked Questions

Is Delta strict about carry-on size?

Delta’s staff can check a bag at the gate if it doesn’t fit, and on very full flights they may limit carry-ons further. A bag within 22 x 14 x 9 inches, wheels included, avoids the debate.

Does Delta weigh carry-on bags?

Delta’s US carry-on page doesn’t list a weight limit. You still need to be able to lift the bag into the overhead bin yourself, since Delta says flight attendants generally can’t proactively help place bags there.

Can I bring a duffel or garment bag as my Delta carry-on?

Yes, if it fits the same 22 x 14 x 9 inch limit. See can a duffel bag be a carry on Delta and is a garment bag considered a carry on Delta.

What counts as a personal item on Delta?

A purse, briefcase, small backpack, laptop bag or similar bag that fits under the seat. Full details are in what size personal item on Delta.

Last updated: November 10, 2026. Delta’s baggage policies change, so check delta.com before flying. Sources: Delta: carry-on baggage, Delta: baggage FAQs, Delta: Basic Economy and 14 CFR 121.589 (Cornell LII).