Preferably, You need to allow for three-5h of transit time in Johannesburg, so that you've got ample time to capture your connecting flight. Transiting in Johannesburg is rather straightforward; simply just Keep to the indicators for ‘Intercontinental Transit’. The flight from Johannesburg to Harare will take about 1h 30m. The https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/