Aircraft Comparison By

Boeing 737 MAX 9 vs Airbus A321neo

There are a lot of discussions these days about the 737 and A321. Which one is better? Is the 737 that much better than the A321? Why are people so passionate about this debate?

Aircraft: Boeing 737 MAX 9 Airbus A321neo Sharklet
Boeing 737 MAX 9 United Airlines
Airbus A321neo
Country: United States France
Manufactured: from: 2014 to: 2020 from: 2016 to: Present
ICAO: B39M A321
Price: $128.9 million $115 million
Avionics: Rockwell Collins -
Engine: 2x CFM International LEAP-1B 2x CFM International LEAP-1A
Engine Type: Turbofan Turbofan
Power: 29,317 pound-force 33,110 pound-force
Max Cruise Speed: 453 knots
839 Km/h
473 knots
876 Km/h
Approach Speed (Vref): - 140 knots
Travel Range: 3,550 Nautical Miles
6,575 Kilometers
4,000 Nautical Miles
7,408 Kilometers
Fuel Economy: - -
Service Ceiling: 41,000 feet 40,000 feet
Rate of Climb: - 2500 feet / minute
12.70metre / second
Take Off Distance: 2600 metre
8,530.08 feet
2210 metre
7,250.57 feet
Landing Distance: 1700 metre
5,577.36 feet
1600 metre
5,249.28 feet
Max Take Off Weight: 88,314 Kg
194,697 lbs
97,000 Kg
213,846 lbs
Max Landing Weight: 74,344 Kg
163,899 lbs
80,000 Kg
176,368 lbs
Max Payload: - 25,500 Kg
56,217 lbs
Fuel Tank Capacity: 6,820 gallon
25,816 litre
8,700 gallon
32,933 litre
Baggage Volume: - 59 m3
2,084 ft3
Seats - Economy: 220 seats 244 seats
Seats - Business Class: - -
Seats - First Class: - -
Cabin Height: 2.50 metre
8.20 feet
Cabin Width: 3.53 metre
11.58 feet
3.7 metre
12.14 feet
Cabin Length: 41.76 metre
137.01 feet
34.44 metre
112.99 feet
Exterior Length: 42.16 metre
138.32 feet
44.51 metre
146.03 feet
Tail Height: - 11.76 metre - 38.58 feet
Fuselage Diameter: - 3.95 metre
12.96 feet
Wing Span / Rotor Diameter: 35.92 metre
117.85 feet
35.80 metre
117.45 feet
Wing Tips: split: Split Scimitar Winglet Blended Tips
More Info: Boeing 737 MAX 9 Airbus A321neo Sharklet
Data presented is for entertainment purposes and should not be used operationally.

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    About the Boeing 737

    The Boeing 737 is a twin-engined short-haul airliner developed by Boeing. The 737 has been in production for over 50 years, and just over 11,000 have been built. It was first flown in 1967 and entered service with Lufthansa in 1968.

    The 737 is still in production today, and it is operated by several airlines worldwide, including Southwest Airlines, Ryanair, United Airlines, and American Airlines. The 737 has been continually updated over the years, and it is currently available in three different variants: the Classic, the Next Generation, and the MAX.

    The MAX variant is the newest and most advanced version of the airplane. It made its maiden flight in 2016 and entered service with Southwest Airlines in 2017.

    Why was it developed and built?

    The Boeing 737 was developed in response to the increasing demand for short-haul air travel. It was designed to be a smaller, more efficient airplane that could fly shorter distances with fewer passengers than its predecessors.

    What purpose does it serve?

    The Boeing 737 is a popular choice for short-haul flights. It can carry up to 189 passengers and fly up to 4,000 miles in a single flight. Its efficient design suits it well-suited routes with medium passenger loads and relatively short distances.

    About the Airbus A321

    The Airbus A321 is a single-aisle airliner explicitly designed for short to medium-haul routes. It has a wingspan of 34 m, a top speed of 876 km/h, and a range of 5,930 km. The A321 was first flown in 1993 and has become one of the most famous aircraft in the Airbus lineup.

    It is available with either CFM International CFM56 or IAE V2500 engines. The A321 is often used for transcontinental flights, as it has the range to cover long distances without needing to make refueling stops. It is also one of the quieter aircraft in its class, thanks to its use of newer, more fuel-efficient engines.

    Why was it developed and built?

    The A321 was designed to fill the gap between the more giant Airbus A330 and the smaller Airbus A320. It was intended to be an efficient aircraft that could carry more passengers than its predecessors while still being inexpensive.

    What purpose does it serve?

    It serves various purposes, from short-haul flights to long-range international routes. It is a popular choice for airlines that need an aircraft with enough range and capacity to handle medium-distance flights and shorter hops.

    How are the Boeing 737 and Airbus A321 different?

    The most significant difference between the Boeing 737 and Airbus A321 is size. The 737 has a wingspan of 34 meters, while the A321’s wingspan is 37 meters. This makes the A321 slightly larger than the 737 and able to carry more passengers and cargo.

    The 737 is also more fuel-efficient than the A321, thanks to its updated engines and aerodynamic design.

    This makes it better suited for shorter routes with lighter passenger loads.

    On the other hand, the A321 is better suited for longer flights, as it can cover distances of up to 5,930 km without needing to refuel. It is also quieter than the 737, making it a popular choice for airlines looking for an aircraft that won’t disturb residents.

    How are the Boeing 737 and Airbus A321 similar?

    Similarly, the Boeing 737 and Airbus A321 are single-aisle airliners designed to meet the demand for short- to medium-range air travel.

    They are both available with CFM International or IAE V2500 engines and can carry up to 189 passengers per flight.

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    In addition, both aircraft have been continually updated over the years to ensure they run efficiently and safely. They also adhere to the same safety standards, making them reliable and safe airline choices.

    What’s better about the Boeing 737?


    The Boeing 737 is equipped with the latest technological advancements, making it one of the most advanced and capable commercial aircraft on the market. Various plane models have been developed to improve fuel efficiency, passenger comfort, range, takeoff performance, and handling characteristics. Many also feature integrated navigation systems for more straightforward navigation and improved safety.


    The Boeing 737 has a reputation for its toughness and durability, with many planes in service for over 20 years. The aircraft is designed to withstand the rigors of high-speed flights, long routes, and other adverse conditions such as rain, snow, ice, and turbulence.


    The Boeing 737 is also known for being relatively easy to maintain, with regular inspections and maintenance procedures designed to ensure the plane functions at its peak performance. The aircraft also features automated systems that detect any potential issues before they become serious problems.

    What’s better about the Airbus A321?


    The Airbus A321 is a famous medium-range aircraft developed to improve passengers’ efficiency, performance, and comfort. It features an advanced computer system that allows for automated flight management and navigation systems, optimized fuel consumption, and reduced noise levels.


    The Airbus A321 is powered by two turbofan engines that are de deliver greater fuel efficiency, increased thrust, and improved safety. Its machines are also capable of producing lower emissions than other aircraft in its class, making it a more environmentally friendly choice.


    The Airbus A321 has been designed for easy maintenance and inspections, with automated systems that detect any potential problems before they become regular severe maintenance, and inspections are recommended to ensure the plane functions at its peak performance. The aircraft also features a comprehensive maintenance tracking system for easier monitoring and troubleshooting.  This helps to ensure the A321 remains in top condition and provides reliable service throughout its lifespan.


    In conclusion, there are many differences between these two aircraft. The Boeing 737 and Airbus A321 have their advantages and disadvantages depending on the mission they are being used for. Ultimately, which airplane you choose will depend on your specific needs and budget.

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    About the Author

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    With a passion for aviation, as well as surfing and scanning the web, Rocco is in his element analyzing aircraft data and the differences and similarities between aircraft.