Public Enterprises spokesperson Adrian Lackay said SAA would release a statement on the matter during the course of the day, reported eNCA.
"Ways of working between the executive, the board and minister [without apportioning blame] have made it difficult to operate with required speed and agility," Fin24 quoted the resignation letter as saying.
Business Day reported in May that Jarana said SAA could be turned around despite the airline posting losses since 2012 and still expecting more guarantees from the Treasury to stay afloat.
Speaking during a discussion hosted by Deloitte, he said: “As much as there is impatience and many South Africans are fed up about the state of SOEs, we have to recognise that we are where we are and we did not get here overnight. It’s been a process of systemic degradation over a period of time.”
This is a developing story.