When is the Jeju to Tokyo 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 CJU to HND route?

The CJU–HND route is typically operated by Airbus A320 · Boeing 737. Airlines include Japan Airlines, ANA, Korean Air.

Is turbulence on CJU to HND dangerous?

No — turbulence on the CJU–HND 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 CJU to HND flight?

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

CJU to HND Turbulence Forecast

Q: Is the Jeju to Tokyo flight turbulent?

The CJU–HND route typically experiences light turbulence.

Q: Which seat is smoothest on CJU to HND?

Wing seats are smoothest. On a Airbus A320 · Boeing 737, that's rows 10–20. Avoid the rear of the aircraft where turbulence is felt most.

Q: How long is the flight from CJU to HND?

The CJU to HND flight takes approximately 2h 10m, covering 769 miles (668 nautical miles) at a cruising altitude of 33,000 feet.

Is the Jeju to Tokyo flight turbulent? Live forecast & historical patterns.

Live forecast

CJU

→

HND

Jeju · Tokyo · 2h 10m

31.8

Turb Score

2h 10m

Duration

668 nm

Distance

33,000 ft

Cruise Alt.

Light

Typical

⚠️ Light turbulence today

Get exact timing, altitude & best seat — free

Download free on the App Store ★★★★★ 4.8 · 20K+ reviews Get it on Google Play ★★★★★ 4.8 · 20K+ reviews

★★★★★ 4.8 · 20,000+ reviews · iOS & Android

Scan to get the full forecast ★★★★★ 4.8 · 20,000+ reviews · iOS & Android · Free

Typical turbulence along the route

Historical average pattern for CJU–HND

0h1h2h3h4h5h6h2h 10m

Smooth

Light

Moderate

Heavy

About the CJU–HND route

The Jeju to Tokyo 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 Japan Airlines, ANA, Korean Air on Airbus A320 · Boeing 737 aircraft, with flights typically cruising at 33,000 feet over a distance of 769 miles (668 nautical miles).

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

Jeju to Tokyo Flight Time

How long is the flight from CJU to HND?

2h 10m

Flight Time

769 mi

Distance

33,000 ft

Cruising Altitude

Airbus A320

Aircraft

The Jeju (CJU) to Tokyo (HND) flight takes approximately 2h 10m, covering 769 miles (668 nautical miles) at 33,000 feet. The route is operated by Japan Airlines, ANA, Korean Air. Return flights (HND to CJU) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on CJU–HND

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

Get minute-by-minute timing for your specific flight

Download on the App Store ★★★★★ 4.8 · 20K+ reviews Get it on Google Play ★★★★★ 4.8 · 20K+ reviews

Best time to fly CJU–HND

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on CJU–HND

Airbus A320

Front

Rows 1–9

Light

✓ Wing

Rows 10–20

Smoothest

Rear

Rows 21+

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

Vancouver → Tokyo Haneda

See all transatlantic flights →

Related guides

Learn more about flight turbulence

Turbulence Tracker

Track any flight in real time

→

Best Seat Guide

Which rows feel turbulence least

→

Turbulence Forecast Map

Global turbulence outlook

→

Passenger Reports

A few bumpy patches over Central Asia, lasted maybe half an hour total. Drink service was paused briefly. Not unusual for this time of year.

Frequent flyer · April

The 2h 10m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · September

Kids barely noticed the turbulence — just some mild bumps mid-flight. Seatbelt sign was on and off a couple times. Nothing dramatic.

Parent traveling with kids · January

All CJU routes→ All HND routes→

Frequently asked questions

Is the Jeju to Tokyo flight turbulent?

The CJU–HND route typically experiences light turbulence. The turbulence score for this route is 31.8/100.

When is turbulence worst on CJU to HND?

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 CJU to HND?

Wing seats are always the smoothest. On a Airbus A320 (the most common aircraft on this route), that's rows 10–20. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from CJU to HND?

The CJU to HND flight takes approximately 2h 10m, covering 769 miles (668 nautical miles).

Which airlines fly CJU to HND?

The main airlines operating this route are Japan Airlines, ANA, Korean Air, flying Airbus A320 · Boeing 737 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