The United Arab Emirates has suspended every flight operated by an Iranian airline to and from its territory, with no end date. The move, announced by the UAE’s General Civil Aviation Authority and effective Thursday, September 24, 2026, follows a U.S. Treasury warning that any airport, fuel supplier or ticket seller that keeps servicing Iranian carriers risks being cut off from the American dollar.
It is the clearest sign yet that Washington’s aviation sanctions are doing what they were designed to do: turning the Islamic Republic’s airlines into planes with nowhere to land.
How the trap was set
On September 8, 2026, the Treasury Department’s Office of Foreign Assets Control sanctioned 36 targets tied to Iran’s aviation sector, including 27 Iranian airlines, under a campaign the department calls Operation Economic Outcast. The list reads like the regime’s entire domestic fleet: Iran Air Tour, Iran Aseman, Kish Airlines, Qeshm Air, Zagros, Taban and twenty-one others. Mahan Air has been under U.S. counterterrorism sanctions since 2011.
Treasury’s announcement, titled “Treasury Grounds Iranian Airlines with Sweeping Sanctions Action,” said the regime uses its aviation sector to move weapons, personnel and illicit cargo. The department also named front companies in the UAE, the United Kingdom and Turkey that it said helped Mahan Air acquire aircraft, and reported that at least three Boeing 777s were diverted through the UAE and Oman to Mahan Air during the summer of 2026. OFAC suspended three Iran-related aviation authorizations, including ones covering overflights, and the Treasury’s Financial Crimes Enforcement Network issued an alert asking banks to report Iranian aviation procurement networks.
Treasury Secretary Scott Bessent framed the action as a final warning. “Let this be a warning to anyone doing business with Iran’s remaining airlines, all of which we sanctioned today: You are at risk of being cut off from the global financial system,” he said in the department’s release.
The dollar is the leverage
The sanctions only bite if the rest of the world stops servicing the planes, and Bessent spelled out exactly what that means. In an interview with CNBC on Monday, September 21, he said that if Iranian airlines land at an airport, “you cannot provide them with fuel, you cannot provide them with landing services,” and “you cannot sell them tickets, or you will be knocked out of the dollar system.” According to Khaleej Times, he said that as of September 23, “all the Iranian airlines will be shut down around the world.”
The UAE’s decision came a day after that deadline. The aviation authority said the suspension complies with the U.S. ban on Iranian airlines operating at airports worldwide, gave no timeframe for lifting it, and said it would update the public as developments occur. The Gulf states have their own reasons to cooperate. According to The National, the UAE suspended all trade and financial transactions with Iran in August 2026, citing attacks on UAE-owned tankers and Tehran’s rejection of talks with the United States. And on September 22, the UAE Central Bank barred Bank Melli Iran, Iran’s largest lender, from moving money between its eight UAE branches and Iran after investigators found it had failed to comply with anti-money-laundering rules.
“I’m not sure how the Iranian representatives at the UN are going to get home”
Bessent’s most memorable line came on Fox News on Wednesday, September 23, while President Masoud Pezeshkian’s delegation was in New York for the United Nations General Assembly. “I’m not sure how the Iranian representatives at the UN are going to get home,” he said.
He described the overall campaign in equally blunt terms: “In terms of Operation Economic Outcast, we are squeezing the Iranians like they’ve never seen today.” According to Gulf News, Bessent said the measures had already cut off 80 to 90 percent of Iran’s external flights. He also put the pressure in sequence: “So we had six weeks of kinetic activity. We have the blockade.” And he offered a warning to anyone tempted to help Tehran slip the net: “We have made it very clear around the world… we know who you are, you know who you are.”
Gulf News noted that Iran has not been completely cut off, and reported that the president’s delegation was scheduled to return to Tehran on Saturday. But the regional map is closing in. Turkish Airlines has halted its flights to Iran until at least March 2027, according to Gulf News, flights to Azerbaijan have been suspended, and Iranian authorities said services to Baghdad and Muscat had been canceled.
Why this matters
For decades, Iran’s airlines have been more than a way to fly tourists to Dubai. Treasury’s September 8 action says plainly that the regime uses its aviation sector to move weapons, personnel and illicit cargo, and it designated targets under counterterrorism authority as well as Iran sanctions law. An aviation industry that cannot refuel, land or sell a ticket abroad cannot do that work either.
The UAE matters most of all. The Emirates sits a short flight across the Gulf from Iran and has long been a hub for Iranian travelers, trade and money. When the Emirates closes the door on Iranian carriers and Iran’s largest bank in the same week, the regime loses more than flights. It loses a lifeline.
Tehran will call it economic warfare, and it is. The difference is that Iran chose the battlefield years ago, when it decided to fund militias across the region and route the hardware through civilian airlines and Gulf front companies. Washington has simply decided to make every partner choose between the dollar and the ayatollahs, and the UAE has made its choice.
A regime that spent decades flying weapons to its proxies now can’t count on flying its own diplomats home.
Sources
- U.S. Treasury: Treasury Grounds Iranian Airlines with Sweeping Sanctions Action (Sept. 8, 2026)
- The National: UAE suspends flights by Iranian airlines until further notice under US ban (Sept. 24, 2026)
- Khaleej Times: UAE suspends flights by Iranian airlines till further notice in light of US ban (Sept. 24, 2026)
- Gulf News: How will Iran's UN delegation get home? Bessent taunts Tehran over flight sanctions (Sept. 2026)
- Yeni Safak: Bessent questions how Iran's UN delegation will return home (Sept. 24, 2026)
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