Just when it seemed the post-pandemic jet stream was finally steady, June 2025 delivered a gentle nudge back to earth for the world’s airlines.The latest report from the International Air Transport Association (IATA) shows that global passenger demand rose by just 2.6% compared to June last year—a significant cooling from the stronger growth rates buoyed the industry in recent months.
That 2.6%, mind you, still represents millions of travellers jostling through airports and buckling into window seats. But for an industry addicted to growth and allergic to turbulence, the numbers hint at a softening sky, with geopolitical clouds—particularly in the Middle East—casting long shadows over international routes.
Demand Climbs, But Capacity Climbs Faster
As ever in aviation, it’s not just about how many people want to fly—it’s about how many seats they can fill. And therein lies the rub.
Global capacity, measured in Available Seat Kilometres (ASK), grew 3.4% year-on-year, outpacing the 2.6% rise in Revenue Passenger Kilometres (RPK). The result? A slight slide in the global load factor (the percentage of available seats filled), down 0.6 percentage points to 84.5%.
Now, 84.5% would be a dream figure in many industries—try convincing a hotelier not to pop champagne with that sort of occupancy—but in aviation, where margins are notoriously slender and seat economics are everything, it’s a blip worth watching.
“Demand for air travel grew in June, but at a slower pace than we’ve seen previously,” noted IATA Director General Willie Walsh, with the stoic calm of a former airline CEO who’s weathered more than a few headwinds. “Military conflict in the Middle East weighed on some key markets, and capacity growth exceeded demand, nudging load factors off their record highs.”
Still, Walsh struck a tone of guarded optimism: “With August schedules showing only modest 1.8% capacity growth, we don’t expect load factors to stray far from recent historic highs over the Northern Hemisphere’s summer.”
Regional Realities: Asia-Pacific Shines, Middle East Slips
Looking beyond the global averages, the June data offers a regional kaleidoscope of fortunes.
The Asia-Pacific region led the charge, with international RPKs soaring 7.2% year-on-year. That’s no small feat considering the area was the last to emerge from the pandemic-induced travel freeze. Capacity kept pace, rising 7.5%, leaving the load factor a respectable 82.9%—only 0.2 points lower than last year.
Europe, ever the dependable holiday hub, posted a 2.8% rise in demand, with capacity up 3.3%. While load factor dipped slightly to 87.4%, European carriers still hold the crown for the highest seat occupancy.
Latin America, meanwhile, continued to punch above its weight with a sizzling 9.3% leap in international demand. However, an even larger 11.8% capacity hike dragged the load factor down to 83.3%.
But the Middle East saw the most noticeable turbulence. International traffic dipped 0.4% due to the ongoing military conflict that particularly hampered routes to North America (down 7%) and Europe (down 4.4%). Despite a modest 1.1% increase in capacity, the region’s load factor sagged to 78.7%.
North American carriers didn’t fare much better. International demand edged down 0.3%, even as capacity rose 2.2%, pushing load factor to 86.9%—a 2.2-point drop year-on-year.
Africa’s international demand also contracted slightly by 0.3%, with capacity flat at 0.3%. The load factor settled at 74.6%, among the lowest of any region—a potential by-product of mounting competition from Middle Eastern and European carriers muscling into African routes.
Domestic Markets: Brazil Booms, US Stalls
On the domestic front, the story was more varied.
Domestic demand grew 1.6% globally, while capacity rose 2.1%, resulting in a 0.4-point dip in load factor to 84.7%.
Brazil stood out with a robust 14.7% growth in domestic traffic—proof that a strengthening local economy and growing middle class drive air travel across the vast South American nation. Capacity ballooned by 17%, but the load factor held up at a healthy 83% even with that surge.
China’s domestic market also rebounded, rising 3.8% year-on-year, with load factor ticking up to 83.1%. India’s domestic traffic climbed 5.4%, though a sharper 9% rise in capacity saw load factor fall by nearly three points to 84.3%.
In contrast, the United States—still the world’s largest single-country market—saw just a 0.1% increase in domestic demand, the first positive monthly growth after four months of contraction. However, with capacity up 1.8%, the load factor dipped to 86%, down 1.5 points from June 2024.
Even Australia saw a slight lift. Domestic traffic rose 0.9%, capacity grew 1.5%, and the load factor came in at 81.1%—not dazzling, but steady enough for a nation where distance is non-negotiable.
A Soft Patch or a Shift in the Winds?
So, is this a bump in the jetstream or the start of a longer descent?
Much depends on the global political landscape. Continued military tension in the Middle East and shifting economic winds—particularly in China and North America—could continue to weigh on demand. That said, air travel remains remarkably resilient. The fact that load factors are still hovering near record highs despite regional disruptions speaks to the enduring appetite for flight.
The coming months will be telling. Airlines, already grappling with tight margins, carbon compliance pressures, and relentless consumer expectations, can ill afford too many more slowdowns. But if history teaches us anything, aviation always finds a way to take off again—often just when everyone’s buckling in for turbulence.
For now, the industry watches the horizon, one eye fixed on war zones and the other on the booking screens. The sky’s still busy—but perhaps, just for a while, not relatively as buoyant.
By Sandra Jones
