How to Avoid Gate-Checking Your Carry-On Bag

There are a few reasons why more and more airlines are asking passengers to gate-check their bags. Some issues arise from a passenger's actions, while others are due to the airline.

Depending on the airline and the staff working the gate the day you fly, you may be asked to put your carry-on bag in a baggage sizer to prove that it fits before being allowed to bring it on the plane. Bags that are over the limit are fair game to be checked.

If you have a ticket that only allows one personal-sized item on your flight, but you bring a regular-sized carry-on, the gate agent may make you check your bag (and potentially pay a fee).

If you’re traveling with a carry-on suitcase, a personal item that fits under the seat, and an additional small bag—like a purse—you may be asked to consolidate them into just two bags. Even if all your bags are the correct size, flight attendants often require passengers to check one if they have more than two. The only exception is for travelers carrying medical devices, who are permitted an extra item.

Keep in mind that airport shopping bags usually don’t count toward your limit, but some flights enforce stricter rules and may require you to fit everything—purchases included—into your existing carry-on and personal item. To avoid any hassle at the gate, it’s best to stick to the standard allowance: one carry-on and one personal item.

When I was forced to gate-check a bag, my main issue was that they had a certain number of passengers for whom they had room. Why would an airplane not have enough space for every passenger to have a carry-on? Many airlines now charge for even the first checked bag, so most passengers will try to travel carry-on only to save money. So with more people carrying on than before, and bigger bags, space fills up fast. A full flight means less room in the overhead bins. Often, airlines will ask passengers to volunteer to check their bags and allow them to board earlier than their designated zone, or even get a seat closer to the front. When people volunteer before boarding starts, it speeds up the boarding process and makes for happier passengers. However, some flights have limited space, so once a certain number of passengers have boarded, everyone must check their bags.

The answer is simple: make checking a bag free again. Free checked bags means fewer carry-ons (or smaller ones, at least), making more room in the overhead bins. However, those fees are too tempting for airlines to stop, despite record revenue numbers and growing profits. Instead, major airlines are improving overhead bin space to accommodate larger bags and a higher volume of bags.

Remy Milburn from United Airlines explained that “As part of United Next, United is equipping planes with larger overhead bins with enough space for one carry-on per person. In 2024, the A321neo joined United’s fleet, featuring larger overhead bins.” He went on to explain that United has already started to expand its fleet with larger overhead bins, becoming “the first airline to add new, larger overhead bins to Embraer E175 aircraft.”

While Delta isn’t expanding the overhead bins, they are putting new doors on the overhead bins on their refurbished fleet. These new doors will allow for larger bags to fit easily, therefore making more room for everyone’s bulging bags.

American retrofitted its A319 and A320 aircraft in 2025. The retrofit refreshed the interior with “power at every seat, larger overhead bins, and new seats with updated trim and finish.”

Southwest is following suit and redesigning its fleet to include larger overhead bins.

While it’s great to hear airlines are trying to remedy this issue, those airplanes won’t be ready for another year or two, and not every plane will have the extra room. So what can you do to ensure you won’t have to check your bag upon boarding?

If you're able to board in one of the first few groups, it's less likely that you'll have to check your bag. Paying for priority boarding or even upgrading your seat can be worth it if you absolutely can't be separated from your carry-on.

Frequent flyer programs and credit cards offer priority boarding as a perk. If you join the programs or get the credit cards, you’ll be able to board earlier before overhead bin space runs out.

United:

• United Business Card
• United Club Infinite Card
• United Explorer Card
• United Quest Card

American:

• Citi / AAdvantage Executive World Elite Mastercard
• Citi / AAdvantage Platinum Select World Elite Mastercard
• Citi / AAdvantage Business World Elite Mastercard
• AAdvantage Aviator Silver World Elite Mastercard
• AAdvantage Aviator Red World Elite Mastercard
• AAdvantage Aviator World Elite Business Mastercard

Delta:

• Delta SkyMiles Gold American Express Card
• Delta SkyMiles Gold Business American Express Card
• Delta SkyMiles Platinum American Express Card
• Delta SkyMiles Platinum Business American Express Card
• Delta SkyMiles Reserve American Express Card
• Delta SkyMiles Reserve Business American Express Card

Southwest:

• Southwest Rapid Rewards Priority Credit Card

JetBlue:

• JetBlue Business Card

Similar to the credit cards, this is not an exhaustive list, but rather a selection of major domestic airlines.
Delta:

• SkyPriority
• SkyTeam Elite
• SkyTeam Elite Plus

American:

• OneWorld Priority
• AAdvantage

United:

• MileagePlus Premier Statuses

JetBlue:

• TrueBlue Members (when you reach 10 tiles)

One of the most obvious solutions is to bring a personal-sized bag with you when you fly. These bags must fit under the seat in front of you. You may think it is impossible, especially if you are heading away for more than a night or two, but I promise you, it is possible. I once bought a super cheap ticket to the UK, and was able to pack everything I needed for four days in a tiny suitcase. If you only have one bag that fits under the seat in front of you, you won’t be forced to gate-check it. Gate-checking is only for overhead bin bags. If you’re skeptical, read our guide on how to pack in just a personal-sized bag, which also recommends some of the best personal-sized bags for you to take on your next trip.

Stay informed by researching the carry-on and personal-size item requirements for your airline before heading to the airport. Look up what aircraft you will be flying in, and research its overhead bin size. Smaller aircraft are going to have less space (this was my problem; I was flying from Washington, DC to Hartford, Connecticut, and it was a small plane for a short flight). Staying informed and being prepared will help you make a better decision about what luggage to bring.

There are a few surefire ways to avoid having to gate check your carry-on bag: purchasing priority boarding, using a credit card or frequent flyer status, and only bringing a personal-sized bag. If none of these ways work for you, then you’re just going to have to take the risk that your flight won’t be full or that most of the other passengers won’t have a carry-on bag.