Ideally, it is best to enable three-5h of transit time in Johannesburg, so that you have ample time and energy to capture your connecting flight. Transiting in Johannesburg is very uncomplicated; simply Adhere to the indicators for ‘Worldwide Transit’. The flight from Johannesburg to Harare usually takes about 1h 30m. https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/