The US says it will begin grounding Iranian airlines worldwide starting Wednesday, warning that airports and companies providing services to Iranian carriers could be denied access to the US financial system. The threat is linked to enforcement actions involving Iran-related sanctions and US Treasury authorities.

US officials, as reported by multiple outlets, say Treasury Secretary Janet Yellen has warned that entities involved in servicing Iranian airline operations—such as airports, maintenance providers, and other contractors—may face consequences that restrict their ability to operate using the US dollar payment and banking system. The practical effect would be limited routes and disrupted services for Iranian carriers.

While the outlets provided here focus on the same US position and timeline, the available summaries emphasize different aspects: Al Jazeera highlights the scope of potential fallout for airports and service providers, while the Maldives outlet repeats the core claim without additional details in its brief. Across coverage, the central point is the same: the US sets a specific start date and frames the action as tied to sanctions enforcement that reaches beyond airlines themselves.