Fedex SIN ANC FX5601
Fedex · Live forecast
SIN → ANC
FX5601 · Apr 19, 2026 · 18:15 SS · boeing 777-fs2
89
Calm Score
"A smooth ride ahead — sit back and enjoy."
35h 46m
Duration
5,791 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
20,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 20,500 data points along your route from Singapore Changi Airport, Singapore to Ted Stevens Anchorage International Airport, Anchorage.

Your Journey Beta

Your route takes you crossing the South China Sea, crossing the East China Sea, crossing the Sea of Japan, and crossing the Bering Sea – these areas can sometimes cause turbulence.

Smooth Flight

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

Takeoff

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

Winds Aloft

Winds at cruising altitude are about 44 knots. These winds are favorable and may get you there up to 50 minutes early.

Landing

Landing should feel smooth with possible light bumps 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 35h 46min
Maximum turbulence expected per segment
Takeoff
Smooth
0:30-1:00
Smooth
1:00-1:30
Smooth
1:30-2:00
Smooth
2:00-2:30
Smooth
2:30-3:00
Smooth
3:00-3:30
Smooth
3:30-4:00
Smooth
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
Smooth
7:30-8:00
Smooth
8:00-8:30
Light
8:30-9:00
Light
9:00-9:30
Light
9:30-10:00
Light
10:00-10:30
Light
10:30-11:00
Light
11:00-11:30
Smooth
11:30-12:00
Smooth
12:00-12:30
Smooth
12:30-13:00
Light
13:00-13:30
Light
13:30-14:00
Light
14:00-14:30
Light
14:30-15:00
Light
15:00-15:30
Light
15:30-16:00
Light
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
Smooth
19:00-19:30
Smooth
19:30-20:00
Light
20:00-20:30
Light
20:30-21:00
Light
21:00-21:30
Smooth
21:30-22:00
Light
22:00-22:30
Light
22:30-23:00
Smooth
23:00-23:30
Smooth
23:30-24:00
Smooth
24:00-24:30
Smooth
24:30-25:00
Smooth
25:00-25:30
Smooth
25:30-26:00
Smooth
26:00-26:30
Smooth
26:30-27:00
Smooth
27:00-27:30
Smooth
27:30-28:00
Smooth
28:00-28:30
Smooth
28:30-28:59
Light
28:59-29:28
Light
29:28-29:57
Light
29:57-30:26
Light
30:26-30:55
Light
30:55-31:24
Light
31:24-31:53
Light
31:53-32:22
Light
32:22-32:51
Light
32:51-33:20
Light
33:20-33:49
Light
33:49-34:18
Light
34:18-34:47
Light
34:47-35:16
Light
Landing
Light
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
SIN Singapore Changi Airport — Departure
Visibility
2 mi
Wind
7 kt (120°)
Sky
Scattered
Temperature
27°C
Conditions
IFR — Low visibility, delays likely
ANC Ted Stevens Anchorage International Airport — Arrival
Wind
10 kt G22 (160°)
Sky
Overcast
Temperature
4°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Morning Flight Departure
Time of day
Morning Flight
Tip
Morning flights typically experience smoother conditions as the atmosphere is more stable and thermal turbulence hasn't yet developed.
When
Today
boeing 777-fs2
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.