HND to SDJ Turbulence Forecast
Is the Tokyo to Sendai flight turbulent? Live forecast & historical patterns.
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Typical turbulence along the route
Historical average pattern for HND–SDJ
0h1h2h3h4h5h6h1h 05m
About the HND–SDJ route
The Tokyo to Sendai route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 29,000 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 29,000 feet over a distance of 190 miles (165 nautical miles).
💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.
Tokyo to Sendai Flight Time
How long is the flight from HND to SDJ?
29,000 ft
Cruising Altitude
The Tokyo (HND) to Sendai (SDJ) flight takes approximately 1h 05m,
covering 190 miles (165 nautical miles) at 29,000 feet.
The route is operated by Japan Airlines, ANA, Korean Air.
Return flights (SDJ to HND) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.
Turbulence levels on HND–SDJ
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
Best time to fly HND–SDJ
Turbulence by month
Best seat on HND–SDJ
Airbus A320
✓ Wing
Rows 10–20
Smoothest
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
Related guides
Learn more about flight turbulence
Passenger Reports
There was some noticeable movement mid-flight that made me grip the armrest. My seatmate (clearly a regular) didn't even look up from their book. Perspective.
First-time flyer · April
Some light chop crossing the Himalayas — seatbelt sign came on for maybe 20 minutes but nothing to worry about. Typical for this route in December.
Regular traveler · December
Flew Tokyo–Sendai in January, had some light turbulence in the middle portion of the flight. Brief and nothing concerning. This route is usually fine.
Business traveler · January
Frequently asked questions
Is the Tokyo to Sendai flight turbulent?
The HND–SDJ route typically experiences light turbulence. The turbulence score for this route is 31.2/100.
When is turbulence worst on HND to SDJ?
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 HND to SDJ?
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 HND to SDJ?
The HND to SDJ flight takes approximately 1h 05m, covering 190 miles (165 nautical miles).
Which airlines fly HND to SDJ?
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