Your Flight
We analysed more than 11,500 data points along your route from Logan International, Boston to Copenhagen Kastrup Airport, Copenhagen.
Sas
BOS
CPH
SK928
Sas · Live forecast
BOS
→
CPH
80
Calm Score
"A smooth ride ahead — sit back and enjoy."
7h 25m
Duration
3,181 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
Set an alert before your flight
Beta
You still have 13 hours before departure. We'll notify you if this forecast changes.
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.
Right now on your route
Live pilot reports from aircraft flying BOS → CPH
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP SWR41G 5144N05634W 0910 F330 TUDEP 0923 5200N05000W MS54 301/156 KT HBJNL DDL XXH 160911 F61A
4m ago
Smooth
ARP CHG572 5730N03559W 0910 F330 5800N03000W 0934 5800N02000W MS48 288/3 KT OOACF DDL XXN 160911 F40A
4m ago
Smooth
ARP ICE28T 5939N 01334W 0907 F390 M51 266/61 ERAKA 0925 ETSOM KT TFICF QXT IGW 160907 F91A
7m ago
Smooth
ARP DLH453 5631N02828W 0906 F390 5628N02000W 0937 PIKIL MS45 212/45 KT DAIXQ DDL XXH 160906 J29A
8m ago
Smooth
ARP ETH574 5409N04828W 0905 F340 5401N05000W 0912 LOMSI MS48 290/53 KT ETAOR DDL XXN 160905 L58A
9m ago
AI-powered flight briefing
11,500 data points analyzed
· HIGH confidence
Your Journey Beta
Your route takes you over the Appalachian Mountains and crossing the North Atlantic Ocean – these areas can sometimes cause light turbulence.
Mostly Smooth
Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.
Takeoff
Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.
Winds Aloft
Winds at cruising altitude are about 60 knots. These winds are favorable and may get you there up to 37 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
Flight Timeline 7h 25min
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
Light
5:57-6:26
Light
6:26-6:55
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
BOS
Logan International — Departure
Wind
14 kt G25 (160°)
Sky
Overcast
Temperature
4°C
Conditions
MVFR — Reduced visibility, minor delays possible
CPH
Copenhagen Kastrup Airport — Arrival
Wind
8 kt (270°)
Sky
Scattered
Temperature
4°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Evening Flight Departure
Time of day
Evening Flight
Tip
Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.
When
Today
a21n
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:
- ECMWF Open Data — Global atmospheric model (wind/temperature at 13 flight levels)
- NOAA Aviation Weather Center — Pilot Reports (PIREPs), SIGMETs/AIRMETs, TAFs
- NOAA Space Weather Prediction Center — Aurora forecasts for polar routes
- AviationStack API — Flight schedules and airline operational data
Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.