The Financial Mail has this article on the airlines operating in South Africa.

This is a market share breakdown:

Interesting points from the article:

• Kulula (Comair) has brought down costs by “by acquiring newer aircraft, which are cheaper to maintain and use less fuel.”
• In flight meals actually do make a difference: “a standard meal costs around R50/passenger. Instead, 1time sells food and makes R4m/year profit from this service.”