Zipair NRT SFO ZG26
Zipair
FLIGHT
ZG26
NRT
Narita International Airport
21:25
05 Mar
Now: --:-- JS
33 h 15 m
SFO
San Francisco International Airport
13:40
06 Mar
Now: --:-- PS
Altitude: 39,000ft (11.9km) Distance: 4,443 nm Duration: 33 h 15 m
ALTITUDE
39,000ft
DISTANCE
4,443 nm
DURATION
33 h 15 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
8.1 /10
Smoothness
Smooth Flight
28%
Smooth
69%
Light
2%
Moderate

Notifications not available
Your flight departs in less than 6 hours. The forecast is unlikely to change significantly at this point.

AI-Powered Flight Briefing
📊 16,000 data points analyzed HIGH Confidence
Your Flight

We analysed more than 16,000 data points along your route from Narita International Airport, Narita to San Francisco International Airport, San Francisco.

Your Journey Beta

24 minutes, 1 hour 35 minutes, and 2 hours 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.

Smooth Flight

We're expecting smooth conditions throughout your flight. You can sit back and relax.

Takeoff

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

Winds Aloft

Winds at cruising altitude are about 66 knots. These winds are favorable and may get you there up to 64 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 33h 15min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-1:00
Light
1:00-1:30
Light
1:30-2:00
Moderate
2:00-2:30
Moderate
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
Smooth
5:30-6:00
Smooth
6:00-6:30
Light
6:30-7:00
Smooth
7:00-7:30
Light
7:30-8:00
Smooth
8:00-8:30
Smooth
8:30-9:00
Light
9:00-9:30
Smooth
9:30-10:00
Light
10:00-10:30
Smooth
10:30-11:00
Smooth
11:00-11:30
Light
11:30-12:00
Light
12:00-12:30
Light
12:30-13:00
Light
13:00-13:30
Smooth
13:30-14:00
Smooth
14:00-14:30
Smooth
14:30-15:00
Light
15:00-15:30
Smooth
15:30-16:00
Smooth
16:00-16:30
Light
16:30-17:00
Light
17:00-17:30
Light
17:30-18:00
Light
18:00-18:30
Light
18:30-19:00
Light
19:00-19:30
Light
19:30-20:00
Light
20:00-20:30
Light
20:30-21:00
Light
21:00-21:30
Light
21:30-22:00
Light
22:00-22:30
Light
22:30-23:00
Light
23:00-23:30
Light
23:30-24:00
Light
24:00-24:30
Light
24:30-25:00
Light
25:00-25:30
Light
25:30-25:59
Light
25:59-26:28
Light
26:28-26:57
Light
26:57-27:26
Moderate
27:26-27:55
Light
27:55-28:24
Smooth
28:24-28:53
Light
28:53-29:22
Light
29:22-29:51
Light
29:51-30:20
Light
30:20-30:49
Light
30:49-31:18
Light
31:18-31:47
Light
31:47-32:16
Light
32:16-32:45
Light
Landing
Light
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
NRT
At Departure
11°C (Now)
Few • 6 kt • VFR — Clear conditions, no delays expected
Arrival
SFO
Forecast
11°C (Now)
Clear • 17 kt G25 • VFR — Clear conditions, no delays expected
🌤️ Afternoon Flight

Afternoon flights may encounter more turbulence due to thermal activity as the sun heats the ground, creating rising air currents.

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.