British Airways and Kulula flights are currently grounded

The South African Civil Aviation Authority (SACAA) earlier today suspended the Air Operator Certificate ofComair(Pty) Ltd.

This affects all British Airways (operated by Comair) and kulula.com flights. According to a media statement by SACAA, this is a precautionary suspension for a period of 24 hours, within which Comair must demonstrate to SACAA that the risk and safety management systems are effective in managing potential hazards.

Three of Comair's planes have been involved in mid-air emergencies in the last month. 

Source: TravelComments.com Official Blog