SEA
Seattle–Tacoma International Airport
✈
FAB
Farnborough Airport
Distance
4,161 nm
Altitude
39,000 ft
Est. Duration
9h 35m
Route Information
Departure

SEA (SEA)

Distance

7,705.9 km (4,160.8 nautical miles)

Arrival

FAB (FAB)

Estimated Flight Time

575 minutes (9h 35m)

Flight Profile

Cruise Altitude: 39,000 ft (Flight Level 390)

Route calculated using great circle navigation

Turbulence comfort along route
Comfort score combines turbulence probability with intensity, higher means rougher
Smooth Light Moderate Severe
Your flight, stretch by stretch
Some bumps expected. 3 bumpier stretches, about 375 min in total.
  • 0:00-1:28 · Takeoff · light bumps (~88 min) Light movement. Drinks may ripple.
  • 1:28-2:55 · smooth
  • 2:55-5:20 · light bumps (~145 min) Light movement. Drinks may ripple.
  • 5:20-7:13 · smooth
  • 7:13-9:35 · Landing · light bumps (~142 min) Light movement. Drinks may ripple.
💙
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 they don't put the aircraft in danger. Many passengers feel exactly the same way.
Right now on your route
Live pilot reports from aircraft flying SEA → FAB
10 pilot reports along this route
9 / 10
Reporting smooth
0 / 10
Light turbulence
1
Moderate or worse
Latest pilot reports
Smooth
ARP ICE417 5705N01309W 1242 F340 5800N01500W 1255 6100N02000W MS50 276/111 KT TFIAE QXS BRR 251242 J92A
4m ago
Smooth
ARP BAW185 5718N01112W 1234 F360 5900N02000W 1318 6000N03000W MS46 285/85 KT GVIIY DDL BFS 251234 F23A
12m ago
Smooth
ARP AAL151 5811N01512W 1227 F360 5901N02000W 1249 6001N03000W MS46 281/84 KT N819AN QXT AOE 251227 L65A
19m ago
Smooth
ARP DLH444 5846N01312W 1226 F360 6001N01959W 1258 6101N03000W MS45 273/68 KT DAIKL DDL XXF 251226 J26A
20m ago
Moderate
SEA UA /OV SEA040025/TM 1221/FL090/TP PC12/TA M02/TB MDT 090-080/IC LGT RM
25m ago
AI-powered flight briefing
15,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 15,000 data points along your route from Seattle–Tacoma International Airport, Seattle to Farnborough Airport, Farnborough, Hampshire.

Your Journey Beta

Your route takes you over the Rocky Mountains and crossing the North Atlantic Ocean – these areas 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 42 knots. These winds are favorable and may get you there up to 36 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 9h 35min
Maximum turbulence expected per segment
Takeoff
Light
0:30-0:59
Light
0:59-1:28
Light
1:28-1:57
Smooth
1:57-2:26
Smooth
2:26-2:55
Smooth
2:55-3:24
Light
3:24-3:53
Light
3:53-4:22
Light
4:22-4:51
Light
4:51-5:20
Light
5:20-5:49
Smooth
5:49-6:17
Smooth
6:17-6:45
Smooth
6:45-7:13
Smooth
7:13-7:41
Light
7:41-8:09
Light
8:09-8:37
Light
8:37-9:05
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
SEA Seattle–Tacoma International Airport - Departure
Visibility
9 mi
Wind
6 kt (50°)
Sky
Overcast
Temperature
8°C
Conditions
VFR - Clear conditions, no delays expected
FAB Farnborough Airport - Arrival
Wind
15 kt G25 (260°)
Sky
Few
Temperature
13°C
Conditions
VFR - Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
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.

Fly this route, calmly Game · Beta A calming mini-game. Glide SEA → FAB, with soft clouds where today's forecast shows bumpier air. Nothing to crash into.