Your Flight
We analysed more than 300 data points along your route from Logan International, Boston to Nantucket Memorial, Nantucket.
Cape Air
BOS
ACK
9K5151
Cape Air · Live forecast
BOS
→
ACK
Also sold as:
75
Calm Score
"Mostly smooth — one short bumpy section you'll handle."
0h 55m
Duration
79 nm
Distance
-
Cruise Altitude
HIGH
Confidence
Too short for a turbulence forecast
Forecastable turbulence (jet streams and clear-air turbulence) forms high up, on longer flights. A hop this short barely reaches cruise altitude, so there is almost nothing to predict, and short flights are among the smoothest you can take. Any bumps are usually brief, during climb or descent, from local winds near the ground.
Notifications not available
This flight has already departed.
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 → ACK
9 pilot reports along this route
6 / 9
Reporting smooth
0 / 9
Light turbulence
3
Moderate or worse
Latest pilot reports
Moderate
OWD UA /OV OWD/TM 2253/FL015/TP PA31/TB MOD 013-016/RM LLWS +-10KT ON FINAL RWY 35
11m ago
Smooth
HVN UA /OV DURD/TM 2252/FL008/TP C172/WX 3SM
12m ago
Smooth
BOS UUA /OV BOS/TM 2242/FL010/TP P212/RM LLWS +/- 5KTS RY 32 ARRIVAL
22m ago
Moderate
BOS UA /OV BOS155030/TM 2234/FL020/TP PC12/TB CONT MOD 030-020/RM DURD
30m ago
Smooth
CON UA /OV CON220015/TM 2227/FL150/TP EPIC/TA M03/IC LGT CLR 110-139
37m ago
AI-powered flight briefing
300 data points analyzed
· HIGH confidence
Your Journey Beta
Your route takes you directly to your destination.
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 77 knots.
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 55 min
Maximum turbulence expected per segment
Takeoff
Light
0:15-0:40
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
BOS
Logan International — Departure
Wind
11 kt G22 (290°)
Sky
Broken
Temperature
24°C
Conditions
VFR — Clear conditions, no delays expected
ACK
Nantucket Memorial — Arrival
Visibility
6 mi
Wind
13 kt (240°)
Sky
Broken
Temperature
22°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
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.