Persistent shortages of parts, labor, and materials are throttling the pace at which US aircraft maintenance capacity can grow, even as demand climbs, according to industry market assessments tracked by the Aeronautical Repair Station Association. The constraint has become the defining feature of the 2026 maintenance market.

Maintenance providers report that available shop capacity cannot keep up with the volume of aircraft needing service. Labor rate inflation across most categories has run in the range of 5.5% to 6.0%, reflecting a tight technician workforce that shops must compete to hire and retain. Material availability has added a second bottleneck, with lead times on certain components stretching well beyond historical norms.

The demand side remains strong. An aging fleet and heavier utilization have pushed more airframes into required inspection cycles, while durability issues on newer engine types have added unscheduled work. Together those forces have sustained the maintenance supercycle that began after the pandemic.

Respondents to industry surveys pointed to labor shortages, material shortages, geopolitical instability, and tariffs as the top disruptors. The result is a market where maintenance backlogs persist and providers extend turnaround times, giving established shops leverage on pricing and contract terms. Firms that can secure skilled technicians and reliable parts supply hold a clear advantage in capturing the available work.

Source: ARSA - https://arsa.org/market-assessment/