Flight OR Tambo International Airport departs from Johannesburg OR Tambo International Airport at 14:30 and arrives at Addis Ababa Bole International Airport at 20:45.
The flighttime is about 5h 15m. The distance travelled ("as the bird flies"): 3435 Km. So the average speed is roughly 654 Km.
There is an 1 hour time difference between Johannesburg and Addis Ababa