Global passenger traffic fell 0.8% year-on-year in August 2026, IATA data shows, reversing July's return to growth and handing airlines their clearest signal yet that the post-pandemic demand surge is losing momentum.

International RPKs declined 0.9% and domestic RPKs fell 0.5%, while capacity still expanded 0.3%. That mismatch pushed the global passenger load factor down 0.9 percentage points to 85.1%.

The figures appear in the latest issue of CAPA – Centre for Aviation's Airline Leader Briefing, which argues that aviation's core assumption — that travel demand is unusually resistant to economic shocks — is now being challenged.

Is this a downturn?

Not yet, by the capacity numbers. Global scheduled capacity remained 1.4% above the previous year in early October 2026, with strong seasonal expansion in China and the US. Airlines are still planning for growth.

What is changing is the relationship between capacity, demand and price. Three pressures are converging:

• Consumers are becoming more selective about when and whether they fly
• Value sensitivity is increasing across booking classes
• Remaining fuel-hedging protection is eroding just as energy-market distortions persist

The result, CAPA argues, is an awkward transition: growth plans remain in place, but the assumptions underpinning them are becoming less secure.

Where does pricing power still hold?

Two segments continue to provide protection. Premium leisure and corporate travel remain resilient, and emerging markets continue to outperform the global average.

Yet the broad-based pricing power airlines enjoyed during the post-pandemic demand surge — the margin engine behind two years of record results — is becoming harder to sustain. Airlines are still adding seats faster than passengers are appearing, and the August load-factor data shows the strain directly.

What is the question for 2027?

CAPA frames the outlook bluntly: the central question for 2027 will no longer be whether people want to travel. It is how much they are prepared to pay for it.

For network planners and fleet strategists, that shift matters. Carriers banking on continued yield strength to justify capacity commitments — particularly in markets where seasonal expansion is running ahead of demand — will face sharper unit-revenue pressure if value-seeking behaviour deepens into 2027.