Korean Air ICN OKA KE9147
Korean Air
FLIGHT
KE9147
ICN
Incheon International Airport
17:05
03 Mar
Now: --:-- KS
11 h 30 m
OKA
Naha Airport / JASDF Naha Air Base
19:35
03 Mar
Altitude: 31,000ft (9.4km) Distance: 680 nm Duration: 11 h 30 m
ALTITUDE
31,000ft
DISTANCE
680 nm
DURATION
11 h 30 m
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
26%
Smooth
63%
Light
11%
Moderate

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AI-Powered Flight Briefing
📊 2,500 data points analyzed HIGH Confidence
Your Flight

We analysed more than 2,500 data points along your route from Incheon International Airport, Seoul to Naha Airport / JASDF Naha Air Base, Naha.

Your Journey Beta

Some bumpy patches are scattered throughout the flight. Keep your seatbelt fastened when seated.

Your route takes you crossing the Sea of Japan and crossing the East China Sea – these areas 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 calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 98 knots.

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 11h 30min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Smooth
1:00-1:30
Light
1:30-2:00
Light
2:00-2:30
Light
2:30-3:00
Light
3:00-3:30
Light
3:30-4:00
Light
4:00-4:30
Smooth
4:30-5:00
Smooth
5:00-5:30
Light
5:30-6:00
Light
6:00-6:30
Light
6:30-7:00
Light
7:00-7:30
Light
7:30-8:00
Smooth
8:00-8:30
Light
8:30-9:00
Smooth
9:00-9:30
Light
9:30-10:00
Moderate
10:00-10:30
Light
10:30-11:00
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
ICN
Forecast
2°C (Now)
NSC • 7 kt • VFR — Clear conditions, no delays expected
Arrival
OKA
At Arrival
19°C (Now)
Broken • 18 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.

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.