Can Outdated Airport Infrastructure Handle the 158% Surge in Passenger Traffic?

Ujjwal Sukhwani
By Ujjwal SukhwaniPublished Jan 25, 2026 at 06:27 PM UTC, 3 min read

Aviation News Editor & Industry Analyst delivering clear coverage for a worldwide audience.

Can Outdated Airport Infrastructure Handle the 158% Surge in Passenger Traffic?

The FAA projects a 158% rise in passenger traffic by 2040, but outdated US airport infrastructure, graded 'D+' by ASCE, is already causing excessive congestion and growing wait times.

Key Takeaways

  • FAA projects a 158% increase in passenger traffic by 2040 since 2019, far outpacing current airport capacity.
  • ACI-NA estimates U.S. airports require $173.9 billion in infrastructure investment over the 2025-2029 period.
  • The American Society of Civil Engineers (ASCE) gives U.S. aviation infrastructure a 'D+' grade, citing aging technology and capacity shortages.
  • Outdated infrastructure causes excessive congestion, long wait times, and a significant increase in total flight delay minutes.

The commercial aviation industry faces a significant challenge. Outdated airport infrastructure is creating excessive airport congestion wait times. This issue spans everything from terminal size to apron configuration.

This infrastructure deficit directly clashes with aggressive growth forecasts. The FAA projects a massive 158% increase in passenger traffic by 2040 since 2019. This air travel demand surge highlights a looming capacity crisis.

The Looming Capacity Crisis

Many airport facilities were designed decades ago. They predate modern digital technology and current passenger volumes. This aging infrastructure cannot handle today's record traffic.

Passengers experience long queues and congestion at security and check-in. Baggage handling systems are stressed, leading to delays and mishandling. Behind the scenes, outdated technology slows ground staff and handlers.

Infrastructure limitations also impact airside operations. Runways and terminals are deteriorating under unprecedented usage. This contributes to an increase in total flight delay minutes.

Grading the Infrastructure

The American Society of Civil Engineers (ASCE) has given U.S. aviation infrastructure a "D+" grade. This low score reflects the strain on aging technology and capacity shortages. Furthermore, an FAA study found that 11 major airports will be "runway capacity–constrained" by 2028. This number is projected to rise to 14 airports by 2033.

Modernization and the Funding Gap

Addressing the outdated airport infrastructure requires massive capital investment. The Airports Council International – North America (ACI-NA) estimates a significant need. U.S. airports require $173.9 billion in aviation infrastructure investment over the 2025-2029 period.

This figure reflects rising construction costs and complex project requirements. Terminal projects make up the bulk of these estimated ACI-NA infrastructure needs.

  • The existing funding mechanisms are insufficient to bridge this gap.
  • The Passenger Facility Charge (PFC) cap has not been modernized since 2000.
  • This limits airports' ability to self-fund critical airport modernization projects.

Air Traffic Control Challenges

Modernizing the air traffic control system is also critical. Much of the hardware and software predates the internet era. Failures in these systems can cause nationwide ground stops.

While the FAA's NextGen program has brought some improvements, full deployment is ongoing. Labor shortages among air traffic controllers compound the system's strain.

Industry Impact and Outlook

The current state of US airport capacity constraints affects all stakeholders. Airlines face increased operating costs from delays and rerouting. Passengers endure frustration and disrupted travel plans.

Continued investment is essential to accommodate future traffic. Modernization efforts aim to enhance the traveler experience. They also seek to strengthen the competitive landscape and drive down airfares.

The urgency is clear: the waiting game must end. Proactive infrastructure investment is necessary for sustained aviation growth.

flying.flights provides comprehensive commercial aviation news covering airlines, aircraft, and airports.

Ujjwal Sukhwani

Written by Ujjwal Sukhwani

Aviation News Editor & Industry Analyst delivering clear coverage for a worldwide audience. Covers flight operations, safety regulations, and market trends with expert analysis.

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