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A321neo

Airbus · Single-aisle airliner · Multi-national · Digital Age (2010–present)

A321neo — Single-aisle airliner
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The Airbus A321neo (New Engine Option) is the largest member of the A320neo family, a 140–244 seat narrow-body airliner that replaced the A321ceo starting in January 2017. The neo programme re-engined the A320 family with CFM International LEAP-1A or Pratt & Whitney PW1100G-JM geared turbofans producing 32,900 lbf each — engines with bypass ratios above 11:1 that reduce fuel burn by up to 20% against the A321ceo's CFM56-5B and IAE V2500 powerplants. The A321neo entered service with Lufthansa on 26 January 2017.

The A321neo reaches a maximum speed of Mach 0.82 and has a range of 4,700 miles — the longest range in the A320neo family. Maximum take-off weight is 206,132 lb with a 117.5 ft wingspan incorporating wingtip sharklets. Fuselage length is 146 ft, identical to the A321ceo. List price is $141 million. More than 2,000 A321neo aircraft had been delivered by 2026, making it the best-selling single-aisle variant in history by a wide margin. Airlines use it to replace Boeing 757s on transatlantic thin-haul services and dense domestic sectors alike.

The A321XLR (Extra Long Range) is the most important A321neo derivative. Adding a rear centre fuel tank raises range to 5,400 miles — enough for London–New York in a 180-seat single-aisle configuration, a route previously requiring a widebody. The XLR uses a new aerodynamically shaped main landing gear bay fairing and revised fuel system; it received EASA type certification in June 2024 and entered service with Iberia that same month. Aer Lingus, American Airlines, and United Airlines are among the largest XLR customers, targeting 5–7% lower seat costs than current widebodies on thin transatlantic sectors.

The A321neo competes directly with the Boeing 737 MAX 10 for domestic high-density flying and the Boeing 797 (if launched) for medium-range thin routes. No direct 757-class replacement has entered service from Boeing, giving the XLR a clear market window. As of 2026, Airbus had over 4,500 A321neo/XLR orders on its backlog, with IndiGo, American Airlines, United, and Air India among the top customers.

For Kids — a shorter, friendlier version

The Airbus A321neo is a stretched version of the A320 family. The letters neo stand for New Engine Option. Airbus kept the same design but fitted powerful new engines. It seats around 180 to 220 passengers in a single-aisle cabin.

The A321neo stretches 46 metres from nose to tail — longer than four school buses end to end. Its new engines burn about 20 percent less fuel than the old ones. The longest version, called the A321XLR, can fly over 4,700 miles without stopping. That is far enough to cross the Atlantic Ocean.

Airlines can choose from two engine brands when they order the plane. Both are quieter than older engines. They also produce fewer exhaust gases, which is better for the planet.

More than 2,000 A321neos have been delivered to airlines since 2017. Airlines love it because it can open long routes that would not fill a bigger jet. It is one of the best-selling aircraft in history.

Fun Facts

  • The letters neo stand for New Engine Option — the rest of the A321 design was kept mostly the same.
  • The A321XLR version can fly over 4,700 miles non-stop — enough to cross the Atlantic Ocean.
  • Airlines can choose between two different engine brands when ordering an A321neo.
  • Over 2,000 A321neos have been delivered since 2017, making it one of aviation's best sellers.
  • The new engines are roughly 20 percent more fuel-efficient than the older ones they replaced.
  • Its range lets airlines connect smaller cities across oceans without needing a giant wide-body jet.

Kids’ Questions

What is a narrow-body jet?

Aircraft are grouped by how wide their cabin is. A narrow-body jet has a single aisle running down the middle of the cabin — rows usually have three seats on each side. Wide-body jets have two aisles and many more seats across. Narrow-body planes like the A321neo are smaller and cheaper to operate, which makes them perfect for short and medium trips. They can also land at smaller airports that cannot handle a giant wide-body.

How can a single-aisle jet fly across the Atlantic?

Modern engines are so fuel-efficient that a carefully designed narrow-body plane can now carry enough fuel to fly more than 4,700 miles. The A321XLR has an extra fuel tank fitted in the belly of the plane to go even farther. Airlines plan these long thin routes for cities that do not have enough passengers to fill a big wide-body jet, but do have enough to fill a smaller plane flying non-stop. It saves passengers a connection and gives airlines a new market to serve.

Variants

A321neo (standard)
Base variant. CFM LEAP-1A or PW1100G-JM at 32,900 lbf each. Range 4,700 miles. Service entry January 2017 with Lufthansa.
A321LR (Long Range)
Two additional centre fuel tanks extend range to 4,700 miles in standard configuration. Enables transatlantic services such as Dublin–Boston and London–New York with full payload.
A321XLR (Extra Long Range)
New rear centre tank integral to lower fuselage structure; range 5,400 miles. EASA certification June 2024. First commercial service with Iberia, June 2024. Targets 757 and thin-route widebody replacement.

Notable Operators

IndiGo
Largest A321neo customer with over 500 aircraft on order; uses them across Indian domestic sectors and expanding international operations.
American Airlines
Largest U.S. A321neo operator; uses A321neo on domestic trunk corridors and has A321XLR on order for transatlantic flying.
United Airlines
Operates A321neo domestically and has committed to A321XLR for mid-Atlantic services replacing 757-200s.
Lufthansa
Launch customer for the A321neo (January 2017); uses the type on European high-density and medium-haul European services.
Iberia
Launch customer for the A321XLR, entering service June 2024 on European and European medium-haul services.

Frequently Asked Questions

What is the difference between the A321neo and A321XLR?

The standard A321neo and A321LR carry extra fuel in removable rear centre tanks. The XLR uses a new rear centre tank integrated into the lower fuselage structure — it is not removable and is aerodynamically faired, adding roughly 4,000 lb of structural fuel capacity. This raises range from 4,700 miles to 5,400 miles, enabling single-aisle transatlantic routes with full payload at lower seat cost than twin-aisle aircraft.

Can the A321neo fly across the Atlantic?

The A321LR variant can fly London–New York at reduced payload (around 150 seats). The A321XLR covers that route at 180 seats with full fuel and entered service in mid-2024. American, United, Aer Lingus, and Iberia have committed to transatlantic A321XLR operations, targeting markets that cannot fill a 787 or A330 but exceed a 737's range.

What engines does the A321neo use?

Airlines choose one of two engine options at ordering: CFM International LEAP-1A at up to 32,200 lbf or Pratt & Whitney PW1100G-JM at up to 33,000 lbf. Both use geared turbofan or high-bypass architecture (bypass ratios above 11:1) to deliver 16–20% lower fuel burn per seat compared to the previous CFM56-5B and IAE V2500 engines on the A321ceo.

Why do airlines prefer the A321neo over the <a href="/v/boeing-737-max.html">737 MAX 10</a>?

The A321neo seats 140–244 passengers versus a maximum of 230 for the 737 MAX 10 in its densest configuration. The A321XLR's 5,400-mile range has no Boeing equivalent in production — the 737 MAX 10 tops out near 3,300 miles. Airlines serving thin transatlantic or very long domestic sectors (New York–Los Angeles) find the A321 family more economical per seat on longer sectors.

How many A321neos have been built?

More than 2,000 A321neo aircraft were delivered through 2026, with Airbus's A321 production line running at its highest rate in the programme's history. The total A321neo/LR/XLR backlog exceeded 4,500 aircraft as of early 2026 — roughly five years of production at current rates.

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