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HAN to ICN Turbulence Forecast

Is the Hanoi to Seoul flight turbulent? Live forecast & historical patterns.

Live forecast
HAN
→
ICN
Hanoi · Seoul · 4h 25m
7
Turb Score
4h 25m
Duration
2,210 nm
Distance
37,000 ft
Cruise Alt.
Moderate
Typical
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Typical turbulence along the route

Historical average pattern for HAN–ICN

Smooth Light Moderate
0h1h2h3h4h5h6h4h 25m
Smooth
Light
Moderate
Heavy

About the HAN–ICN route

The Hanoi to Seoul route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 2,545 miles. The Pacific jet stream creates moderate turbulence, typically around 3–7 hours into the flight. The sheer length of the route means passengers experience varying conditions: calm stretches punctuated by bumpy patches.

The route is served by Vietnam Airlines, Korean Air, Asiana, Jeju Air on Boeing 787 · Airbus A321 aircraft, with flights typically cruising at 37,000 feet over a distance of 2,545 miles (2,210 nautical miles).

💡 Tip: Long flight — turbulence varies throughout. Wing seats significantly reduce motion.

Turbulence levels on HAN–ICN

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 HAN–ICN

Turbulence by month

J
F
M
A
M
J
J
A
S
O
N
D
Smooth
Light
Moderate
Rough

Best seat on HAN–ICN

Boeing 787-8

Front
Rows 1–15
Light
✓ Wing
Rows 16-26
Smoothest
Rear
Rows 27+
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

HAN to ICN turbulence forecast app
Flight turbulence tracker
Real-time turbulence map

Similar routes

Other popular routes with turbulence data

SGN → ICN
Ho Chi Minh City → Seoul
Moderate
HAN → NRT
Hanoi → Tokyo
Moderate
HAN → SIN
Hanoi → Singapore
Light
See all transpacific flights →
All HAN routes→ All ICN routes→

Frequently asked questions

Is the Hanoi to Seoul flight turbulent?
The HAN–ICN route typically experiences moderate turbulence. A very smooth flight with minimal turbulence expected. The turbulence score for this route is 7/100.
When is turbulence worst on HAN to ICN?
Long flight — turbulence varies throughout. Wing seats significantly reduce motion. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on HAN to ICN?
Wing seats are always the smoothest. On a Boeing 787-8 (the most common aircraft on this route), that's rows 16-26. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from HAN to ICN?
The HAN to ICN flight takes approximately 4h 25m, covering 2,545 miles (2,210 nautical miles).
Which airlines fly HAN to ICN?
The main airlines operating this route are Vietnam Airlines, Korean Air, Asiana, Jeju Air, flying Boeing 787 · Airbus A321 aircraft.

Data Sources

Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data