Japan Airlines SGN HND JL70
Japan Airlines · Live forecast
SGN → HND
JL70 · Mar 16, 2026 · 23:45 · boeing 787-8 dreamliner
50
Calm Score
"Some bumps expected — keep your seatbelt fastened."
7h 5m
Duration
2,335 nm
Distance
39,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe
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We know turbulence can feel scary — especially on long flights. This report is built for you: what bumps feel like, when they happen, and why you'll be completely safe. 1 in 3 passengers feel exactly like you.
AI-powered flight briefing
8,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 8,500 data points along your route from Tan Son Nhat International Airport, Ho Chi Minh City to Tokyo Haneda International Airport, Tokyo.

Your Journey Beta

19 minutes, 1 hour 15 minutes, and 4 hours 30 minutes into the flight: Some moderate bumps expected.
The crew may adjust altitude or ask you to stay seated during these sections.
The rest of the flight should be smooth.

Your route takes you crossing the North Pacific Ocean – conditions there can sometimes cause light turbulence.

Some Bumps Ahead

There are a couple of short sections with bumps, but nothing out of the ordinary. Turbulence can feel uncomfortable, but it is not dangerous. Aircraft are designed to handle it easily. Pilots often adjust altitude or route to find smoother air.

Takeoff

Takeoff should feel a bit bumpy initially, with calm conditions around the airport.

Winds Aloft

Standard wind conditions expected at cruising altitude.

Landing

Landing should feel a bit bumpy on descent with typical approach conditions.

You're in Safe Hands

If you feel nervous at any point, remember that turbulence is expected, safe, and part of normal flying. The crew is monitoring everything, and the aircraft is built to handle far more than anything you will feel. Have a safe and calm flight.

Relaxation Exercises
ZeroTurb Index (ZTI): Powered by our turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity. Learn more
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 7h 05min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-0:59
Moderate
0:59-1:27
Moderate
1:27-1:55
Moderate
1:55-2:23
Moderate
2:23-2:51
Moderate
2:51-3:19
Moderate
3:19-3:47
Moderate
3:47-4:15
Moderate
4:15-4:43
Moderate
4:43-5:11
Moderate
5:11-5:39
Moderate
5:39-6:07
Moderate
6:07-6:35
Moderate
Landing
Moderate
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Airport conditions
Live weather at departure and arrival
SGN Tan Son Nhat International Airport — Departure
Wind
10 kt (120°)
Sky
Scattered
Temperature
32°C
Conditions
VFR — Clear conditions, no delays expected
HND Tokyo Haneda International Airport — Arrival
Wind
6 kt (130°)
Sky
Few
Temperature
12°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Evening Flight Departure
Time of day
Evening Flight
Tip
Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.
When
Today
boeing 787-8 dreamliner
Category
Wide-Body Aircraft
Size
Large
Comfort
Large, twin-aisle aircraft like this generally provide the smoothest ride through turbulence due to their size, weight, and advanced stabilization systems.
Data sources & our approach
ZeroTurb's Custom Algorithm: Our proprietary ZeroTurb Index (ZTI) combines three meteorological indices weighted by their predictive accuracy — giving you transparent, passenger-focused turbulence probability instead of vague categories.

This forecast integrates data from:

Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.