If Possible, you must allow 3-5h of transit time in Johannesburg, so that you've ample time and energy to capture your connecting flight. Transiting in Johannesburg is quite simple; simply just Stick to the indications for ‘Global Transit’. The flight from Johannesburg to Harare normally takes about 1h 30m. Whenever https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/