The $5.1 billion project, due to open next spring, briefly halted after fighting began and later resumed in March.
The US war with Iran has disrupted construction, with attack drones and missiles in the region also hurting tourism.
The possible delay would affect Wynn's flagship casino development in the United Arab Emirates as regional conflict continues to weigh on business activity.
Amid missile threats and a tourism collapse, why does construction on the UAE's mega-casino stubbornly continue?
Is Wynn's $5.1B UAE casino a brilliant long-term play or a massive gamble on a region at war?