What is the Airline Industry? Things You Should Know About It

Jennifer Betts 0

What is the airline industry, and how does it work? Do these questions bother you? You have traveled a lot with different airlines in a year, but have you ever wondered what the airline industry is and how it performs? Behind every comfortable air journey, there is a significant contribution of an airline.

They provide their best services, including; early check-in, free WiFi, VIP waiting lounge, in-flight entertainment, in-flight food & beverages, save the flight, save landing, free and paid baggage allowance, and more.

As a passenger, you must know about the functionality of the airlines, airline policies, features, and ongoing/upcoming deals. When you learn such facts about airlines, your air journey automatically becomes easier because you know your rights as a passenger.

If you want in-depth information about airlines and the aviation world, we bring detailed information related to the airline world. So without consuming more time, let’s begin with a formal introduction to the airline industry.

What is the Airline industry?

The airline industry is one of the vast and fast-growing industries in the business world. With the fast and continuous growth of the tourism industry, the airline sector also flourished at a magnificent level. The airline industry contains various businesses, called airlines, which provide air transport services for paying passengers and business partners.

These air transportation services are available for both cargo and passengers and are most commonly provided by airplanes, although some airlines use helicopter services as well.

All airlines offer scheduled flights and cheap airline flights to different parts of the world. The airline industry makes domestic and international travel more leisurely than ever. To travel with an airline, you just need to book an air ticket to your desired destination.

This rapidly growing industry opens doors to various career paths, including pilots, air hostesses, flight attendants, and ground crew.

Types of Airlines

There are major three types of airlines and each airline’s definition can differ from place to place. Here are the following three kinds of airlines;

  • International Airlines
  • National Airlines, and
  • Regional Airlines

International Airlines

International airlines are an extensive group of airlines that provide their services to almost all over the world. These international airlines are globally famous for their amenities and warm hospitality. They also generate more than millions of revenue in a year.

If we talk about the airline industry, international airlines are the most valued and effective way through which passengers can cover the international destinations from their boarding point.

International airlines also offer tons of jobs in the airline sector. United Airlines, Delta Airlines, American Airlines, and Southwest Airlines are some of the international airlines and are famous for their world-class amenities, in-flight services, and VIP services.

National Airlines

Every particular country has its airlines that serve as the national airline. It covers all domestic and some international routes. Their affordable prices, best services, and in-flight services are some of their premium features. They will offer both medium and large-sized jets and will often focus on providing services within their home territory.

National airlines may not be able to offer direct flights to some parts of the world, but passengers can reach their destinations by using multiple flights. National airlines also provide jobs to numerous deserving candidates. The fleet size of National Airlines is usually smaller than International airlines.

For example, the US has many National Airlines such as Alaska Airlines, Allegiant Air, JetBlue, United Airlines, Hawaiian Airlines, Frontier Airlines, American Airlines, Spirit Airlines, and Southwest Airlines.

Regional Airlines 

Regional Airlines are the smallest group of airlines among all three airlines. This airline focuses on providing services within particular regions. If we talk in simple words, regional airlines cover only local routes and are not the same as national and international airlines.

In short, those routes that aren’t covered by national and international airlines are covered by regional airlines only.

But sometimes they can also provide passenger service to another part of the world in the case when international and national airlines can’t offer their services to that particular route.

Some of the regional airlines also work as an affiliate for international and national airlines.

Some biggest airline companies in the world

This airline industry is run because of many big and small airline companies that offer their commendable services all over the world.

When it comes to identifying the largest airlines in the airlines and aviation industry, one of the widely used parameters is RPKs or Revenue Passenger-Kilometers; and this data is published by the Air Transport Association each year.

As the RPKs name suggests, this is the total sum of the distance covered by each airline’s paying passengers over a year. Based on this metric, the seven largest airlines in the world are;

  1. American Airlines
  2. Delta Airline
  3. United Airlines
  4. Emirates Airlines
  5. Southwest Airlines
  6. China Southern Airlines
  7. Ryanair Airlines

American Airlines

American Airlines is the largest airline in the airline industry. Its superb hospitality and amenities make American Airlines the world’s most popular airline. It was founded in 1926.

It is not the largest airline in the world based on the RPK metric, but also the largest airline in the world based on fleet size, total passengers, and the number of destinations covered in a year.

Delta Airlines

The Delta is the 2nd largest airline in the airline world headquartered in Atlanta, Georgia in the USA. It is one of the leading airlines in the USA and famous worldwide for its best service and in-flight services.

United Airlines

In the airline industry, United Airlines is the largest airline covering more than 300 destinations, fleet size, and RPK. This airline company is based in Chicago. It has a total of eight hubs.

Emirates Airlines

Emirates Airlines is one of the most famous airlines in the world because of its top-notch services and brand name. It is the 4th largest airline according to data from the Air Transport Association. This state-owned airline was started in 1985.

Southwest Airlines

Southwest Airlines was founded in 1967 and had been providing its service since 1971. It is the fifth-largest airline brand in the travel industry.

China Southern Airlines

This popular airline is the 6th biggest airline in the world. It was founded in the year 1988 and also it is the largest airline in Asia by fleet size.

Ryanair Airlines

This Dublin-based airline is the 7th largest airline. Its low-cost feature carrier makes its world one of the low-cost airlines. It covers more than 225 destinations and has more than 300 aircraft.


What is Airline Industry? By providing detailed information on this common question, we have covered all the major and minor aspects of the airline industry. With this information, you are now able to know more in-depth about the airline industry. So keep yourself updated with such information.