Flight Bole International Airport departs from Addis Ababa Bole International Airport at 23:25 and arrives at Johannesburg OR Tambo International Airport at 03:55.
The flighttime is about 5h 30m. The distance travelled ("as the bird flies"): 3435 Km. So the average speed is roughly 625 Km.
There is an 1 hour time difference between Addis Ababa and Johannesburg