Seatbelt Sizes On A Plane: Everything You Need To Know

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Being a customer of size on an aircraft can sometimes be uncomfortable for both the passenger and the neighbors sitting next to them.

Therefore, it is really important to get information on what options there are for passengers of size, and what can make the flight more pleasant.

So, what are the average seatbelt sizes on a plane, and what other options are there for larger passengers? 

Generally, the seatbelt on an aircraft extends around 46 inches, while the extension adds approximately 25 inches. However, various airlines offer different sizes, so if you need accurate dimensions, you would have to check with the airline along with some other information for larger passengers.

This article is focused on information for passengers of size on an aircraft.

Here, you will read about the dimensions of airplane seat belt size, provided by different airlines, as well as some options that are available for customers of size. In order to avoid unpleasant situations, it is smart to do research, and feel comfortable during flights. 

What Do You Need To Know As A Customer Of Size?

The term “passenger of size” refers to a person who is overweight or too large to occupy only one seat on the plane.

Depending on the airlines, some might require that the passenger buys two seats in order to feel comfortable during the flight. For this kind of information, the best thing to do is to contact the airline directly and ask about different options and requirements.

In order to be able to occupy one seat on an aircraft, you need to fit into the seat without encroaching on the people sitting right by your side.

Also, you need to think about the size of the seatbelt, i.e. whether it is going to fit you. Therefore, it is really important to inquire about these things prior to your flight, i.e. you need to check whether you should buy an extra seat and whether the seatbelt is going to be adjustable for your needs. 

What Is The Average Size Of The Seatbelt On A Plane? 

Different airlines might have different sizes, and that is why it is important to check this information before you book your ticket for the flight.

  • The average size of the seatbelt usually extends around 46 inches, while the extension part adds 25 inches more if needed.

However, you need to take into consideration that you might fly on different types of aircraft, and they probably have some differences in the sizes of the seatbelts. 

How Big Are Airplane Seatbelts

For instance, Alaska Airlines and American Airlines keep up to the standards by offering am airplane seatbelt size seatbelt that extends 45 to 47 inches.

On the other hand, Southwest airlines provide a seatbelt of 39 inches and an extension part of 24 inches.

As you can see, there is a difference, and it can become an issue if you find out about this once you are on the plane, and the seatbelt is not suitable for you. 

Therefore, make sure that you always contact the airline that you are going to use prior to your trip.

You can also find this kind of information on the internet since most airlines provide their properties on their websites. Once you find out about the size of the seatbelt, you can take the measures at home, if you are not sure what your size is. 

This way you can avoid unpleasant situations, and you might save yourself some money and time.

If you need an extension you will now know, so you can immediately ask for it from the cabin crew. You will feel more comfortable this way, and you will be spared from any surprises. 

Check out this YouTube video that is packed full of tips for passengers of size.

Should A Customer Of Size Buy An Extra Seat? 

Some airlines have this kind of policy for customers of size, so they are obliged to buy an extra seat.

However, that does not mean that you will pay the whole price of the ticket since many airlines have different rules and offers, so you might get a discount or a refund.

Again, this depends on the airline that you are using for your flight, so if you need some precise information you will have to get in touch with customer support. 

However, even if you are a larger passenger that does not mean that you will need to buy an extra seat immediately. You should first check the requirements and then proceed to additional purchases.

For instance, the policy of Southwest Airlines requires a passenger to buy an extra seat if they encroach the person next to them, meaning that you will have to check the size of the seat as well. 

Nonetheless, if you are not sure about the size of the seat or airline seat belt size, you can always talk about the seating arrangement with the Customer Service Agent at the departure gate. They will provide information about the seat sizes, so then you will know whether you will need an additional seat.

In these cases, Southwest can provide a complimentary additional seat for the passenger in question. 

Now, you might wonder why you would buy an extra seat if you will get a complimentary one once you get on board.

However, by purchasing an extra seat, you will not worry about an overbooked flight, meaning that you will know that your seat is guaranteed.

Otherwise, you might not board the plane if there is no possibility for a complimentary seat since the main responsibility of the airline is to make everyone feel safe and comfortable on the plane. 

Most airlines have particular policies for customers of size, so they can provide the best and the most comfortable experience for them.

You can always inquire about these policies on the websites of the airlines, or you can contact them directly. However, always make sure that you are informed about these things in order to avoid any issues. 


Southwest seatbelt length

Southwest Airlines seatbelt length varies depending on the type of aircraft. However, the standard seatbelt length for most Southwest aircraft is approximately 44 inches. If you need a seatbelt extender, you can request one from a flight attendant. (source: Southwest Airlines Community)

American Airlines seat belt length

American Airlines seatbelt size varies depending on the type of aircraft and seat class. However, the standard seatbelt length for most American Airlines aircraft is approximately 40-44 inches. If you need a seatbelt extender, you can request one from a flight attendant.

Seat belt lengths by airline

Here are the approximate seat belt lengths for some major airlines:

  • Alaska Airlines: 46 inches
  • Allegiant Air: 40 inches
  • American Airlines: 40-44 inches
  • Delta Air Lines: 35-38 inches
  • Hawaiian Airlines: 51 inches
  • JetBlue Airways: 42-49.5 inches
  • Southwest Airlines: 44 inches
  • United Airlines: 40-50 inches

Please note that airline seatbelt length seat belt lengths can vary depending on the type of aircraft and seat class. If you need a seatbelt extender, you can request one from a flight attendant. (source: Executive Flyers Aviation)

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