T'way Air ICN SPN TW525
T'way Air · Live forecast
ICN → SPN
TW525 · Apr 17, 2026 · 22:10 KS · boeing 737-8kn
87
Calm Score
"A smooth ride ahead — sit back and enjoy."
14h 40m
Duration
1,689 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
6,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 6,000 data points along your route from Incheon International Airport, Seoul to Saipan International Airport, I Fadang, Saipan.

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 Sea of Japan – 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 smooth with possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 57 knots. These winds are favorable and may get you there up to 15 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 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 14h 40min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:30
Light
1:30-2:00
Light
2:00-2:30
Light
2:30-3:00
Light
3:00-3:30
Light
3:30-4:00
Light
4:00-4:30
Light
4:30-4:59
Light
4:59-5:28
Light
5:28-5:57
Moderate
5:57-6:26
Light
6:26-6:55
Light
6:55-7:24
Light
7:24-7:53
Light
7:53-8:22
Light
8:22-8:51
Light
8:51-9:20
Light
9:20-9:49
Smooth
9:49-10:18
Smooth
10:18-10:47
Smooth
10:47-11:16
Smooth
11:16-11:45
Smooth
11:45-12:14
Light
12:14-12:43
Smooth
12:43-13:12
Smooth
13:12-13:41
Smooth
13:41-14:10
Light
Landing
Smooth
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
ICN Incheon International Airport — Departure
Wind
6 kt (300°)
Sky
NSC
Temperature
11°C
Conditions
VFR — Clear conditions, no delays expected
SPN Saipan International Airport — Arrival
Wind
11 kt (220°)
Sky
Broken
Your flight details
Departure timing and aircraft information
Afternoon Flight Departure
Time of day
Afternoon Flight
Tip
Afternoon flights may encounter more turbulence due to thermal activity as the sun heats the ground, creating rising air currents.
When
Today
boeing 737-8kn
Category
Narrow-Body Aircraft
Size
Medium
Comfort
Single-aisle mainline jets like this offer a comfortable ride. While you may feel turbulence more than on wide-body aircraft, they are engineered to handle it smoothly.
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.