Japan Airlines SGN NRT JL750
Japan Airlines
FLIGHT
JL750
SGN
Tan Son Nhat International Airport
07:50
17 Jan
7 h 20 m
NRT
Narita International Airport
00:10
18 Jan
Now: --:-- JS
Aircraft: b788 Altitude: 39,000ft (11.9km) Distance: 2,367 nm Duration: 7 h 20 m Also sold by: American Airlines Hawaiian Airlines
AIRCRAFT
b788
ALTITUDE
39,000ft
DISTANCE
2,367 nm
DURATION
7 h 20 m
ALSO SOLD BY
American Airlines Hawaiian Airlines
Times and gates subject to change. Verify with airline.
Turbulence Comfort Along Route Comfort View
Comfort Score: Combines turbulence probability (GTG forecast) with intensity (ZTI analysis). High scores indicate both high probability AND high intensity turbulence.
Smooth
Light
Moderate
Severe
Flight Smoothness Score
7.9 /10
Smoothness
Mostly Smooth
19%
Smooth
80%
Light
1%
Moderate

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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 Narita International Airport, Narita.

Your Journey Beta

A brief bumpy patch may occur during cruise. It's nothing to worry about - just keep your seatbelt fastened.

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

Mostly Smooth

Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.

Takeoff

Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 79 knots. These winds are favorable and may get you there up to 41 minutes early.

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 proprietary turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity for precise, real-time forecasting. Learn more
Live data from ECMWF global forecast models • 12 atmospheric pressure levels analyzed • Updated every 6 hours
Flight Timeline 7h 20min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:30
Light
1:30-2:00
Light
2:00-2:29
Light
2:29-2:58
Light
2:58-3:27
Light
3:27-3:56
Light
3:56-4:25
Light
4:25-4:54
Light
4:54-5:23
Light
5:23-5:52
Light
5:52-6:21
Light
6:21-6:50
Light
Landing
Moderate
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Turbulence Metrics ZTI and EDR (scaled)
ZTI Scale
Smooth
<12
Light
12-30
Moderate
30-45
Severe
>45
EDR Scale
Smooth
<6
Light
6-24
Moderate
24-42
Severe
>42

Airport Weather
Departure
SGN
At Departure
30°C (Now)
Scattered • 10 kt • VFR — Clear conditions, no delays expected
Arrival
NRT
At Arrival
11°C (Now)
Few • 8 kt • VFR — Clear conditions, no delays expected
☀️ Morning Flight

Morning flights typically experience smoother conditions as the atmosphere is more stable and thermal turbulence hasn't yet developed.

Wide-Body Aircraft (Large)

Large, twin-aisle aircraft like this generally provide the smoothest ride through turbulence due to their size, weight, and advanced stabilization systems.

Looking for more detailed analysis?

Data Sources & Our Approach
ZeroTurb's Custom Algorithm: We've developed a proprietary ZeroTurb Index (ZTI) algorithm that combines three meteorological indices weighted by their predictive accuracy. This gives 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.

How accurate are turbulence alerts? Alerts are based on updated forecast models and pilot reports, and can change as departure approaches.