Kuwait’s Directorate General of Civil Aviation closed the Kuwait Flight Information Region to overflights on July 18, following missile and drone attacks linked to renewed Iranian strikes on the country. The closure has since been extended to at least August 4, with only arrivals and departures at Kuwait International Airport permitted, and only with prior approval. Bahrain activated public warning sirens the same weekend. The European Union Aviation Safety Agency has advised operators to avoid the airspace of Bahrain, Kuwait, Qatar, and the UAE, along with parts of the Gulf of Oman, as of an updated bulletin issued July 14. This is not a new crisis. It is the third distinct closure event in the Gulf since a ceasefire between the US and Iran broke down on July 7, following earlier disruptions in February and June.
The latest Gulf airspace closure is more than an operational disruption. It is a real-world stress test of modern airline distribution, particularly for airlines that have shifted significant booking volumes onto NDC.
When flights are cancelled, delayed, or rerouted, the real test is no longer shopping or booking. It is servicing. Rebooking thousands of disrupted passengers has long been one of the strongest capabilities of legacy GDS infrastructure. Whether NDC can now match that performance at scale remains one of the industry’s biggest unanswered questions.
Reporting from Business Travel Executive earlier this year documented a structural weakness in NDC’s handling of irregular operations, one that predates this specific disruption but is directly relevant to it. Under NDC’s offer-and-order model, order data is stored with the airline rather than the GDS, which means agency systems frequently cannot auto-process an involuntary schedule change the way they can with a traditional EDIFACT booking. Interline and codeshare itineraries, where a disrupted passenger needs to be moved across two or more carriers, currently work more smoothly through traditional GDS bookings than through NDC, according to the same reporting. Lufthansa Group has effectively acknowledged the challenge through investment rather than rhetoric. The airline group spent more than 10 million euros over two years upgrading NDC servicing capabilities, trained around 600 servicing specialists, and introduced enhanced involuntary servicing support in NDC 24.1 this past May.
That weakness lands squarely on the carriers now managing the Gulf disruption. Kuwait Airways is notifying affected passengers by SMS while reworking schedules, illustrating that even highly digital distribution models ultimately depend on rapid customer communication and operational servicing during disruptions. Multiple long-haul carriers are handling the same airspace advisory on entirely different timelines: Lufthansa and Swiss have suspended Dubai service until September 13, KLM has suspended Riyadh, Dammam, and Dubai until August 9, and Singapore Airlines has extended its Dubai suspension into late October. That spread is not a sign of inconsistent judgment. It reflects each carrier running its own risk assessment against its own network exposure, and each one servicing a different mix of NDC and GDS-booked passengers through the disruption.
It is worth being precise about what is and is not known here. No airline or GDS has published data on how NDC-booked itineraries are actually being serviced during this specific event, how error rates compare to GDS bookings in real time, or how long automated rebooking is taking versus manual intervention. The Business Travel Executive reporting cited above describes a general, previously documented weakness in NDC’s IROPS handling, not a measurement of this disruption specifically. One vendor blog has reported that Qatar Airways uses AI to manage rebooking autonomously during disruptions, selecting policy-approved alternatives without manual intervention, but that claim comes from a third-party analysis rather than an airline-confirmed source, and it predates the current closure. Whether that capability is holding up under the current volume is not something TDN can currently verify.
NDC discussions have long centered on retailing: better offers, personalization, ancillary sales, and airline control over pricing. This disruption shifts part of that conversation toward resilience. Modern retailing is only as credible as an airline’s ability to service a disrupted order as efficiently as it sold the original one.
The larger pattern is still worth naming plainly. The Gulf carriers now absorbing the most repeated disruption, Emirates, Qatar Airways, Etihad, and Saudia among them, are also among the airlines furthest along on NDC adoption globally. That is a coincidence of geography as much as anything else, since these are also the carriers with the largest Gulf hub exposure. But it means the region generating the most real-world IROPS volume right now is the same region that has bet most heavily on the distribution technology whose disruption handling is least proven at scale.
For years, airlines have measured NDC by its ability to create better offers. The Gulf disruption may become one of the industry’s clearer opportunities to measure it by something equally important: how well it recovers when those offers fall apart.
This is a live situation. Airspace restrictions, carrier suspension dates, and the underlying conflict are all subject to change after this piece is published, and TDN will revisit the distribution angle specifically if better data on IROPS handling during this event becomes available.



