CDG
Charles De Gaulle
✈
SFO
San Francisco International Airport
Distance
4,840 nm
Altitude
40,000 ft
Est. Duration
11h 6m
Route Information
Departure

CDG (CDG)

Distance

8,963.7 km (4,840.0 nautical miles)

Arrival

SFO (SFO)

Flight Time

690 minutes (11h 30m)

Flight Profile

Cruise Altitude: 40,000 ft (Flight Level 400)

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. 4 bumpier stretches, about 690 min in total.
  • 0:00-1:00 · Takeoff · moderate bumps (~60 min) Noticeable bumps. The seatbelt sign is likely on.
  • 1:00-5:30 · light bumps (~270 min) Light movement. Drinks may ripple.
  • 5:30-6:00 · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
  • 6:00-11:30 · Landing · light bumps (~330 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 CDG → SFO
4 pilot reports along this route
4 / 4
Reporting smooth
0 / 4
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP UAE216 6324N04334W 0620 F350 6330N04000W 0631 6330N03000W MS53 301/67 KT A6EVC DDL KUS 150620 J54A
3m ago
Smooth
ARP DLH477 6236N07004W 0617 F390 EMBOK 0654 6258N05001W MS44 247/37 KT DAIVA DDL YFB 150617 J66A
6m ago
Smooth
ARP UAL990 6115N02152W 0609 F380 6100N02000W 0616 ERAKA MS47 239/31 KT N791UA DDL KEF 150609 F07A
14m ago
Smooth
ARP UAE216 6309N04802W 0606 F350 6330N04000W 0631 6330N03000W MS54 281/53 KT A6EVC DDL XXH 150606 J52A
17m ago
AI-powered flight briefing
17,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 17,500 data points along your route from Charles De Gaulle, Paris (Roissy-en-France, Val-d'Oise) to San Francisco International Airport, San Francisco.

Your Journey Beta

26 minutes, 42 minutes, and 6 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 Atlantic Ocean, over the Rocky Mountains, and over the Sierra Nevada – 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 a bit bumpy initially, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 52 knots. These winds may delay arrival by up to 37 minutes.

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 11h 30min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-1:00
Moderate
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
4:30-5:00
Light
5:00-5:30
Light
5:30-6:00
Moderate
6:00-6:30
Light
6:30-7:00
Light
7:00-7:30
Light
7:30-8:00
Light
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
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
CDG Charles De Gaulle - Departure
Wind
4 kt (130°)
Sky
Unknown
Temperature
12°C
Conditions
VFR - Clear conditions, no delays expected
SFO San Francisco International Airport - Arrival
Wind
5 kt (270°)
Sky
Clear
Temperature
16°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 CDG → SFO, with soft clouds where today's forecast shows bumpier air. Nothing to crash into.