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Yaroslav Astakhov |Adobe Stock

How to Avoid Gate-Checking Your Carry-On Bag

If you’ve flown recently, chances are you have experienced airlines either asking passengers to volunteer to gate-check their carry-ons or forcing them to after a certain number of carry-on bags have made it onto the plane. I was recently on a United flight that had enough room for 47 carry-on bags, and everyone else had to gate-check their bags. My later boarding group guaranteed I would have to gate-check my bag, and I was right. They let my medical device stay with me (it can’t go in cargo), but my backpack had to get checked. 

This got me thinking: why is this happening? Planes know how many passengers will be on board, so shouldn’t they have enough room for everyone’s carry-on bag? I did a little research to find out why this happens, what airlines are doing to avoid this in the future, and how to avoid it happening to you. 

What Causes Airlines To Require Gate-Checking Carry-On Bags?

There are a few reasons why more and more, airlines are asking passengers to gate-check their bags. Some are because of what a passenger does, and others are because of the airline. 

1. Your Bag is Too Big 

If you have a ticket that only allows one personal sized item on your flight, but you bring a regular sized carry-on, the flight attendant will have you check your bag, and you’ll have to pay to check that bag. If you have a regular ticket with a regular carry-on sized bag included, but you have a giant, oversized carry-on, the same rule applies. And please, don’t be the person who tries to get a giant bag past the flight attendants. 

2. You have Too Many Bags

If you have the correct size bag, but you have two of them, the flight attendant likely will ask you to check one. The only people allowed to carry an extra bag on board are people with medical devices. Of course, this doesn’t include bags from the airport- although I have been on flights that make you consolidate everything, so you should be wary of purchasing too much at the airport if you can’t fit it into your carry-on. If you’re allowed a personal item and a carry-on, keep it to that, please. 

3. The Flight is Full

When I was forced to gate-check a bag, my main issue was they had a certain amount of passengers that they had room for. Why would an airplane not have enough space for every passenger to have a carry-on? While in the moment I was too annoyed that I’d have to check my bag to realize it is because now that most airlines require you to pay to check a bag, everyone is just taking a carry-on, and they likely are bigger than what you’d take when you were checking a suitcase. So between 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 just don’t have enough room, so after a certain number of passengers have boarded, everyone has to check their bag. 

What Are Airlines Doing to Stop This? 

To me, the answer is simple: make checking a bag free again. Free checked bags means less carry-ons (or smaller ones, at least), making more room in the overhead bins. However, those fees are a bit 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 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. Last year, the A321neo joined United’s fleet – this aircraft is equipped with larger overhead bins.”  He went on to explain that United has already started to expand their 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 easily fit, therefore, making more room for everyone’s bulging bags. 

Earlier this year, American announced plans to retrofit “its A319 and A320 aircraft beginning in 2025. The retrofit will refresh the interior with power at every seat, larger overhead bins and new seats with updated trim and finish.”

Even Southwest, which allows two free checked bags, is jumping on the bandwagon and redesigning their fleet to include larger overhead bins. 

How To Avoid Gate-Checking Your Bag

While it’s great to hear airlines are trying to remedy this issue, those airplanes aren’t going to 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? 

Upgrade Your Seat

eskystudio | Adobe Stock

An easy yet expensive way is to upgrade your seat. It’s tempting to pick a seat that doesn’t come with an extra fee, but that will guarantee priority boarding and all the overhead storage you need for your carry-on. If you really hate checking your bag, that extra $100-300 for priority boarding, first class or business class might be worth it. 

Use Rewards and Credit Cards

Many 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. Keep in mind, some rewards programs offer earlier boarding once you hit a certain status or have a designated amount of points. 

Airline Credit Cards that offer priority boarding: 

This is by no means a complete list of credit cards that will get you priority boarding, but for some of the major domestic airlines. 


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


  • 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 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 Rapid Rewards Priority Credit Card


  • JetBlue Business Card

Airline frequent flyer programs that offer priority boarding: 

Like the credit cards, this is not a complete list, just a list of some of the major domestic airlines.


  • SkyPriority
  • SkyTeam Elite
  • SkyTeam Elite Plus


  • OneWorld Priority
  • AAdvantage


  • MileagePlus Premier Statuses 


  • TrueBlue Members (when you reach 10 tiles)

Pack Small

Perhaps one of the most obvious answers is to just 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 to do, especially if you are heading anywhere 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. I had just bought a house and the extra expense of checking a bag or bringing a larger carry-on was not in the cards. If you only have one bag and it will fit 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. 

Prepare for Your Trip

Stay informed, research the carry-on and personal size item requirements for the airline you are flying before you head to the airport. Look up what aircraft you will be flying, and research the overhead bin size. Smaller aircrafts 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 when it comes to what luggage you decide to bring. 

Fly An Airline with Free Checked Bags

oversize luggage yellow sign with arrow direction hang from ceiling at the airport
asiandelight | Adobe Stock

One simple way to avoid having to gate check your bag is to fly Southwest, the only airline that has no baggage fees (unless you are checking more than two bags). An important thing to note is that if you do go with Southwest, you need to check in as early as possible, so you will get a decent boarding group and will still have plenty of room in the overhead bin for your carry-on. Even Southwest’s overhead bins can get full! 

Bottom Line

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. 

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