China Southern Airlines
"Russia’s Aeroflot, Kuwait Airways, China Southern Airlines, Oman Air and Oman’s SalamAir are scheduled to operate flights to Tehran over the weekend, according to their websites." (Reuters, "Factbox: Flights to Tehran canceled after Canada says Iranian missile brought down Ukraine jet," 1/10/2020).
In 2016, in order to provide its aviation service in Iran, the Company has entered into certain grounding service agreement with Iran Air whereby Iran Air provides the Company with grounding service, maintenance and other support services in return for certain service fees to be paid by the Company in accordance with the agreement. With respect to the Iran Route, the Company’s international route rights associated thereto are derived from and based on the bilateral air transport agreement (the “Bilateral Agreement”) entered into by and between the Chinese government and the Iranian government.
Runs multiple flights each week both to and from Beijing Capital International Airport (PEK) and Urumqi International Airport (URC) to Tehran's Imam Khomeini Airport (IKA). (Company Website)
No response at this time.