What started as a post-pandemic production slowdown has turned into a much bigger challenge for the a
Airbus and Boeing are still facing delivery delays, while manufacturers and suppliers continue to deal with shortages of parts, skilled workers and the production capacity needed to build aircraft at the pace airlines need
Here we dive deeper into why airlines are always looking to (safely) extend aircraft life wherever possible
Why are aircraft delivery delays forcing airlines to keep older fleets?
Aircraft deliveries remain below the levels required to meet airline demand, leaving thousands of aircraft on order but unavailable for operators
For airlines, waiting for new aircraft is no longer measured in months; in many cases, it is taking years
As a result, carriers are changing their fleet strategies. Rather than retiring older aircraft when replacements arrive, many are investing in additional maintenance, cabin upgrades and refurbishment programmes to keep existing fleets flying safely
New aircraft remain the preferred option because they offer better fuel efficiency, lower maintenance costs and improved passenger experience. However, delayed deliveries have left airlines with limited alternatives
How are supply chain problems affecting aircraft production?
The shortage of new aircraft also reflects wider disruption across the alays due to Spirit AeroSystems supply issues as just one example
Aircraft production depends on thousands of suppliers providing components including engines, avionics and advanced materials. Shortages of parts, workforce challenges and manufacturing bottlenecks have slowed production across the industry

Engine availability has also become a significant issue, with some airlines facing longer maintenance turnaround times and reduced aircraft availability
How are airlines keeping aging aircraft in service?
Older aircraft are less efficient than the latest generation models, but they are still essential during a period of strong travel demand and limited capacity
Airlines are extending aircraft lifespans through heavy maintenance checks, structural inspections, cabin modernisation and technology upgrades. Aircraft that were once expected to leave fleets are now remaining in service for several additional years
However, ageing fleets come with higher maintenance costs, more reliance on spare parts and increased fuel consumption compared with newer aircraft
For airlines, keeping older aircraft flying has become a necessity rather than a choice
What impact is this having on airline operations and growth?
Aircraft shortages are affecting airline plans worldwide. Some carriers have delayed new routes, reduced flight frequencies or postponed expansion because additional aircraft have not arrived as expected
The limited availability of aircraft has also increased leasing costs, as airlines compete for capacity from a smaller pool of available planes
For passengers, this can mean fewer schedule options. For airlines, it means managing rising demand with fewer re
How do older aircraft affect a
The biggest concern surrounding delayed aircraft deliveries is their impact on a
New generation aircraft are much more fuel-efficient. By keeping ageing fleets in service longer, airlines are delaying some of the emissions reductions expected from fleet renewal

Fleet replacement remains one of alongside sustainable a, operational improvements and future technologies, newer aircraft are expected to play a key role in achieving net zero emissions by 2050
How long will airlines keep older aircraft in service?
The a improve efficiency and develop future technologies. However, without enough new aircraft entering service, reducing emissions becomes more difficult
Airlines are not abandoning their sustainability goals; they are managing a situation where one of the most effective short-term solutions – that is, replacing older aircraft – is being delayed
Manufacturers are working to increase production, but supply chain pressures are expected to continue for the foreseeable future. Until aircraft availability improves, airlines will continue relying on older fleets to maintain operations
Extending aircraft lifespans is helping the industry manage today’s challenges, but it’s something of a sticking plaster solution to a much larger problem
Read more exclusive stories on AGN hereRead more exclusive stories on AGN here
News
Air TransportTrending ArticlesAirbusAviationboeingDelivery delaysnet zeroSustainability
Sign up for our newsletter and get our latest content in your
inbox.
1
What makes a fighter jet ‘sixth generation’?
What makes a fighter jet ‘sixth generation’?
6th generation fighter …
August 9, 2026
2
From golf balls to lunar rovers: Everything humans have left on the Moon
From golf balls to lunar rovers: Everything humans have left…
Lunar History
August 9, 2026
3
What infrastructure does a permanent lunar presence require?
What infrastructure does a permanent lunar presence require?
Moon
August 8, 2026
4
How far can a passenger plane fly without stopping?
How far can a passenger plane fly without stopping?
Ultra long haul
August 8, 2026
Related Topics
More from
How far can a passenger plane fly without stopping?How far can a passenger plane fly without stopping?
August 8, 2026
eSAF could solve aviation’s fuel problem. So why is almost nobody making it?
eSAF could solve aviation’s fuel problem. So why is almost nobody making it?
August 7, 2026
Why hot weather can delay flights and affect aircraft performanceWhy hot weather can delay flights and affect aircraft performance
August 7, 2026
India’s 114-Rafale fighter jet programme enters decisive phase as France submits formal proposal
India’s 114-Rafale fighter jet programme enters decisive phase as France submits formal proposal
August 7, 2026
What makes a fighter jet ‘sixth generation’?What makes a fighter jet ‘sixth generation’?
August 9, 2026
F-22 vs F-35: What’s the difference and which fighter jet is better?
F-22 vs F-35: What’s the difference and which fighter jet is better?
August 8, 2026
Australia’s F/A-18s to be first foreign fighters with secretive AIM-260 missiles
Australia’s F/A-18s to be first foreign fighters with secretive AIM-260 missiles
August 7, 2026
Ukraine moves towards anti-ballistic missile capabilities as Freyja takes shape
Ukraine moves towards anti-ballistic missile capabilities as Freyja takes shape
August 7, 2026
Ukraine moves towards anti-ballistic missile capabilities as Freyja takes shapeUkraine moves towards anti-ballistic missile capabilities as Freyja takes shape
August 7, 2026
Korean Air to adapt Archer Midnight eVTOL for military transport missions
Korean Air to adapt Archer Midnight eVTOL for military transport missions
August 5, 2026
Possible fifth J-36 prototype spotted as analysts caution against comparisons with the F-47
Possible fifth J-36 prototype spotted as analysts caution against comparisons with the F-47
August 4, 2026
Sikorsky completes early flight tests of Nomad 100 uncrewed aircraft for DARPA programme
Sikorsky completes early flight tests of Nomad 100 uncrewed aircraft for DARPA programme
August 3, 2026
eSAF could solve aviation’s fuel problem. So why is almost nobody making it?eSAF could solve aviation’s fuel problem. So why is almost nobody making it?
August 7, 2026
Why is sustainable aviation fuel so scarce and expensive?Why is sustainable aviation fuel so scarce and expensive?
August 1, 2026
Amsterdam Schiphol champions airport quality as it reveals €801 million investment
Amsterdam Schiphol champions airport quality as it reveals €801 million investment
July 29, 2026
India’s ePlane strengthens supply chain with global aerospace partners as e200X moves towards certification
India’s ePlane strengthens supply chain with global aerospace partners as e200X moves towards certification
July 28, 2026

