When U.S. and Israeli strikes escalated in Iran in early 2026, large swathes of airspace over Iran, Iraq and parts of the Gulf shut down or became unusable. Dubai, Abu Dhabi and Doha, three of the world’s most important long‑haul hubs, faced full or partial closures, and traffic between Europe and Asia was abruptly forced into narrow northern and southern corridors.
Flights that once used efficient routes through Iran and Iraq began diverting North, via the Caucasus, the Caspian and Central Asia and South, via Egypt, Saudi Arabia and Oman.
The immediate effect was chaos. Thousands of flights cancelled, tens of thousands of passengers stranded as far away as Bali, Kathmandu and Frankfurt, and aircraft and crews left badly out of position. For a few months, Gulf super‑connectors operated at sharply reduced capacity. Emirates around 69% of normal, Qatar Airways around 26%—while some European and Asian carriers maintained more of their own non‑stop Europe Asia services.
With Gulf hubs constrained, non‑stop Asian carriers suddenly looked more attractive. Singapore Airlines, Cathay Pacific, Korean Air, ANA and others saw higher load factors on Europe routes as passengers diverted away from Gulf connections. The ability to sustain higher fares on those corridors while Gulf rivals were off balance.
Industry data cited by analysts show that nonstop Asia–Europe traffic was up nearly 30% year‑on‑year in March 2026, largely because passengers and corporate travel buyers chose to avoid Middle Eastern routings. This was the 'temporary windfall' more passengers and more revenue per seat, gained not through marketing genius but through a geopolitical bottleneck.
But even as that revenue bump flowed in, the underlying cost and risk picture was worsening longer routings around Iran added flight time and fuel burn, sometimes enough to require tech stops or payload restrictions. Crews faced more complex duty days and scheduling, with knock‑on disruption as delays. Insurers and regulators reassessed premiums and minimum-routing expectations for any carrier operating near the conflict theatre.
By late spring and early summer 2026, Gulf carriers began restoring capacity and sharpening prices. Data compiled for investors shows that Middle Eastern carriers narrowed their year‑on‑year traffic deficit on Europe–Asia routes from nearly 60% in March to about 28% by May as they resumed more flights and re‑opened corridors. In the same period, the year‑on‑year growth rate of non‑stop Asia–Europe traffic dropped from about 30% to around 15%, indicating that the initial surge was already tapering.
Several forces are at work. Emirates, Qatar Airways and others rapidly re‑deployed aircraft, used safe corridors and re‑timed services to operate around closures, eroding Asian carriers’ temporary share gains. As Gulf capacity returned, ticket prices on some Europe-Asia routes fell, especially in economy and lower business-class buckets. As passengers saw more consistent operations through Dubai, Abu Dhabi and Doha, some reverted to old preferences and loyalties.
Even as some routes normalise commercially, the safety and operational risk picture remains uneasy.
The European Union Aviation Safety Agency (EASA) has extended conflict-zone advisories covering Iran, Iraq and Lebanon, explicitly warning that airlines should continue to avoid those airspaces despite a framework deal between Washington and Tehran. EASA also flags the risk of short‑term breaches of ceasefires around the Strait of Hormuz and points to tensions involving Israel and Hezbollah as reasons to treat Lebanese and surrounding airspace with caution. Key implications:
Airlines from Europe, Asia and the Middle East continue to plan around Iranian and Iraqi airspace as if it were effectively closed. IFALPA, the global pilots’ federation, is pushing hard for commanders to have a final and non‑negotiable right to refuse to operate over or within conflict zones, free from commercial pressure. The northern and southern detour corridors are narrow and heavily used, increasing congestion, potential ATC strain, and exposure to secondary risks such as mid‑air conflicts or emergency diversions.
In operational terms, airlines are now balancing between fuel and time cost, conflict‑zone risk, and competitive pressure on fares and schedules. The same disruption that briefly boosted their Europe traffic is a reminder that their own operations ride on the same narrow corridors and the same volatile region.
Could this lead to another disaster?
The risk of a catastrophic event like another shootdown, a mis‑targeted missile, a misjudged incursion into a conflict zone has not vanished. EASA’s continued advisories and IFALPA’s stance are explicit acknowledgements that the safety margin is thinner than airlines and regulators would like. So the temporary windfall for Asian airlines is already fading in revenue terms, but the operational and safety challenges that came with it have not faded at all. If anything, they are becoming the new normal in a world where conflict‑zone flying is a constant negotiation, not an exception.