Ideally, You should enable 3-5h of transit time in Johannesburg, so that you've got enough time to catch your connecting flight. Transiting in Johannesburg is quite quick; just Adhere to the symptoms for ‘Intercontinental Transit’. The flight from Johannesburg to Harare can take about 1h 30m. By clicking 'Acknowledge', you https://www.theluxurybooking.co.uk/flights-to-zimbabwe-from-london/