United Airlines BOS EWR UA521
United Airlines · Live forecast
BOS → EWR
UA521 · Mar 16, 2026 · 18:17 ED · boeing 737-7v3
75
Calm Score
"Mostly smooth — one short bumpy section you'll handle."
1h 31m
Duration
174 nm
Distance
24,000 ft
Cruise Altitude
VERY HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe

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Your flight departs in less than 6 hours. The forecast is unlikely to change significantly at this point.

💙
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 → EWR
15 pilot reports along this route
8 / 15
Reporting smooth
2 / 15
Light turbulence
5
Moderate or worse
Latest pilot reports
Moderate
EWB UA /OV EWB RY23 FINAL/TM 1755/FL015/TP C402/TB MDT TBC/RM MDT TBC FROM 1500 TO SFC
6m ago
Smooth
BOS UA /OV KBOS/TM 1754/FL005/TP E75S/SK OVC005/RM DURD RY22L
7m ago
Light
PWM UA /OV PWM/TM 1753/FL025/TP CRJ9/TA 14/TB LIGHT CHOP/RM TOPS 025 ON CLIMB OUT OF PWM
8m ago
Smooth
ALB UA /OV ALB270015/TM 1753/FL090/TP A319/RM OCNL LGT CHOP FROM 075 TO 090 DURC
8m ago
Smooth
BED UA /OV BED/TM 1750/FL008/TP CL60/SK OVC008/RM RAGGED BASES DURD RWY 11 BUMPY
11m ago
AI-powered flight briefing
700 data points analyzed · VERY HIGH confidence
Your Flight

We analysed more than 700 data points along your route from Logan International, Boston to Newark Liberty International Airport, Newark.

Your Journey Beta

Your route takes you over the Appalachian Mountains – conditions there 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 58 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
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 1h 31min
Maximum turbulence expected per segment
Takeoff
Light
0:20-0:46
Light
0:46-1:11
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
Visibility
9 mi
Wind
10 kt (180°)
Sky
Overcast
Temperature
14°C
Conditions
IFR — Low visibility, delays likely
EWR Newark Liberty International Airport — Arrival
Wind
18 kt G35 (170°)
Sky
Overcast
Temperature
17°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
boeing 737-7v3
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:

Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.