Singapore Airlines, one of the highest-profile in Asia, had called the situation “fluid” on June 22. Read more at straitstimes.com. Read more at straitstimes.com.

Escalating tensions in the Middle East, sparked by US strikes on Iranian nuclear sites, have led to numerous flight cancellations and rescheduling by international airlines. Major carriers are slowly resuming operations.

"While there have been no specific threats made against civil aviation, Iran has previously warned it would retaliate by attacking US military interests in the Middle East – either directly or via proxies such as Hezbollah," Safe Airspace said.