When is the São Paulo to Johannesburg route most turbulent?

See the monthly chart above for exact patterns. Transatlantic and mountain routes are typically roughest in winter (Dec–Mar). Tropical and Caribbean routes peak during monsoon season (Jul–Sep).

What aircraft operates the GRU to JNB route?

The GRU–JNB route is typically operated by Boeing 777 · Airbus A350. Airlines include LATAM, Air France, Emirates.

Is turbulence on GRU to JNB dangerous?

No — turbulence on the GRU–JNB route is not dangerous to the aircraft. Modern commercial aircraft are built to withstand far more stress than any turbulence encountered. The main risk is to unbelted passengers. Always keep your seatbelt fastened when seated.

How can I check turbulence before my GRU to JNB flight?

Use the Turbulence Forecast app (iOS & Android) for real-time PIREPs, SIGMET alerts, and AI-powered forecasts for the GRU–JNB route. The app shows minute-by-minute turbulence timing for your specific flight date.

GRU to JNB Turbulence Forecast

Q: Is the São Paulo to Johannesburg flight turbulent?

The GRU–JNB route typically experiences moderate turbulence. Moderate turbulence expected — fasten seatbelt when seated.

Q: Which seat is smoothest on GRU to JNB?

Wing seats are smoothest. On a Boeing 777 · Airbus A350, that's rows 20–36. Avoid the rear of the aircraft where turbulence is felt most.

Q: How long is the flight from GRU to JNB?

The GRU to JNB flight takes approximately 11h 45m, covering 6,101 miles (5,300 nautical miles) at a cruising altitude of 39,000 feet.

Is the São Paulo to Johannesburg flight turbulent? Live forecast & historical patterns.

Live forecast

GRU

→

JNB

São Paulo · Johannesburg · 11h 45m

Turb Score

11h 45m

Duration

5,300 nm

Distance

39,000 ft

Cruise Alt.

Moderate

Typical

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Typical turbulence along the route

Historical average pattern for GRU–JNB

0h1h2h3h4h5h6h11h 45m

Smooth

Light

Moderate

Heavy

About the GRU–JNB route

The São Paulo to Johannesburg route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 39,000 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 LATAM, Air France, Emirates on Boeing 777 · Airbus A350 aircraft, with flights typically cruising at 39,000 feet over a distance of 6,101 miles (5,300 nautical miles).

💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.

São Paulo to Johannesburg Flight Time

How long is the flight from GRU to JNB?

11h 45m

Flight Time

6,101 mi

Distance

39,000 ft

Cruising Altitude

Boeing 777

Aircraft

The São Paulo (GRU) to Johannesburg (JNB) flight takes approximately 11h 45m, covering 6,101 miles (5,300 nautical miles) at 39,000 feet. The route is operated by LATAM, Air France, Emirates. Return flights (JNB to GRU) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on GRU–JNB

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm

LightMinor bumps — drink stays in your cup, walking feels slightly unsteady

ModerateNoticeable bumps — stay seated with seatbelt on, service may pause

HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

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Best time to fly GRU–JNB

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on GRU–JNB

Boeing 777

Front

Rows 1–19

Light

✓ Wing

Rows 20–36

Smoothest

Rear

Rows 37+

Rougher

Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

Similar routes

Other popular routes with turbulence data

New York → Johannesburg

Light

AMS → JNB

Amsterdam → Johannesburg

Light

LHR → JNB

London → Johannesburg

Light

See all transatlantic flights →

Related guides

Learn more about flight turbulence

Turbulence Tracker

Track any flight in real time

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Best Seat Guide

Which rows feel turbulence least

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Is Turbulence Dangerous?

What the safety data shows

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Turbulence Forecast Map

Global turbulence outlook

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Passenger Reports

Rough patch on descent in June — drinks went everywhere on the row behind me. Probably 45 minutes of actual turbulence. Nothing dangerous but definitely uncomfortable.

Business traveler · June

More turbulent than I expected. The over the mountains section was pretty rough — overhead bins rattling, some gasps from other passengers. Died down before landing.

Leisure traveler · March

Flew this in April expecting smooth skies based on past experience, but it was noticeably bumpier than usual. About an hour of moderate chop. Seatbelt sign basically stayed on.

Regular traveler · April

All GRU routes→ All JNB routes→

Frequently asked questions

Is the São Paulo to Johannesburg flight turbulent?

The GRU–JNB route typically experiences moderate turbulence. Moderate turbulence expected — fasten seatbelt when seated. The turbulence score for this route is 51/100.

When is turbulence worst on GRU to JNB?

Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth. Check the turbulence chart above for the typical pattern along this specific route.

Which seat is smoothest on GRU to JNB?

Wing seats are always the smoothest. On a Boeing 777 (the most common aircraft on this route), that's rows 20–36. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from GRU to JNB?

The GRU to JNB flight takes approximately 11h 45m, covering 6,101 miles (5,300 nautical miles).

Which airlines fly GRU to JNB?

The main airlines operating this route are LATAM, Air France, Emirates, flying Boeing 777 · Airbus A350 aircraft.

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