CPT to JNB Turbulence Forecast
Is the Cape Town to Johannesburg flight turbulent? Live forecast & historical patterns.
Typical turbulence along the route
Historical average pattern for CPT–JNB
About the CPT–JNB route
The Cape Town to Johannesburg route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 33,000 feet, the aircraft encounters the strongest bumps roughly 2–5 hours into the flight. This is clear-air turbulence — no clouds, no visual warning — which makes a pre-flight forecast especially valuable.
The route is served by Emirates, Qatar Airways, Lufthansa on Airbus A320 · Boeing 737 aircraft, with flights typically cruising at 33,000 feet over a distance of 791 miles (687 nautical miles).
💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.
Cape Town to Johannesburg Flight Time
How long is the flight from CPT to JNB?
The Cape Town (CPT) to Johannesburg (JNB) flight takes approximately 2h 10m, covering 791 miles (687 nautical miles) at 33,000 feet. The route is operated by Emirates, Qatar Airways, Lufthansa. Return flights (JNB to CPT) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.
Turbulence levels on CPT–JNB
What to expect at each phase of the flight
Get minute-by-minute timing for your specific flight
Best time to fly CPT–JNB
Turbulence by month
Best seat on CPT–JNB
Airbus A320
What you'll see in the app
Full forecast, live map & seat recommendations
Similar routes
Other popular routes with turbulence data
Related guides
Learn more about flight turbulence
Passenger Reports
Frequently asked questions
Data Sources
- PIREP — Pilot reports (PIREPs) submitted via FAA/ICAO systems, aggregated over 12+ months of historical data
- SIGMET / AIRMET — Significant Meteorological Information bulletins from NOAA Aviation Weather Center
- EDR data — Eddy Dissipation Rate measurements from commercial aircraft (ADS-B derived turbulence intensity)
- Seasonal patterns — 5-year rolling averages of turbulence frequency and intensity by month for this route
Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data