Flight OR Tambo International Airport departs from Johannesburg OR Tambo International Airport at 03:10 and arrives at Kigali Kigali International Airport at 07:00.
The flighttime is about 5h 50m. The distance travelled ("as the bird flies"): 2351 Km. So the average speed is roughly 403 Km.
There is an 2 hour time difference between Johannesburg and Kigali