BOS
Logan International
✈
KEF
Keflavik International Airport
Distance
2,092 nm
Altitude
39,000 ft
Est. Duration
4h 59m
Route Information
Departure

BOS (BOS)

Distance

3,874.8 km (2,092.2 nautical miles)

Arrival

KEF (KEF)

Estimated Flight Time

299 minutes (4h 59m)

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
💙
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 BOS → KEF
15 pilot reports along this route
14 / 15
Reporting smooth
0 / 15
Light turbulence
1
Moderate or worse
Latest pilot reports
Smooth
ARP IJM572 6046N03521W 2359 F410 5900N03000W 0021 5300N02000W MS45 293/28 KT OEIIS QXT AOE 302359 A63A
2m ago
Smooth
ARP AFR352 5634N04941W 2358 F380 5630N05000W 0000 5434N05702W MS40 237/5 KT FGSQP DDL UAK 302358 F41A
3m ago
Smooth
ARP IJM572 6049N03532W 2358 F410 5900N03000W 0021 5300N02000W MS45 297/32 KT OEIIS QXT AOE 302358 A59A
3m ago
Smooth
ARP AMX026 6047N04311W 2357 F360 6001N05001W 0023 VESMI MS58 001/27 KT XAMFG DDL UAK 302357 L14A
4m ago
Smooth
ARP GTI8238 6205N03428W 2357 F320 6200N04000W 0016 6000N05000W MS51 024/63 KT N498MC DDL KUS 302357 F51A
4m ago
AI-powered flight briefing
7,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 7,500 data points along your route from Logan International, Boston to Keflavik International Airport, Reykjavík.

Your Journey Beta

Your route takes you over the Appalachian 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 25 knots.

Landing

Landing should feel smooth 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 4h 59min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:30
Smooth
1:30-2:00
Smooth
2:00-2:30
Smooth
2:30-3:00
Smooth
3:00-3:30
Smooth
3:30-4:00
Light
4:00-4:29
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
8 kt (240°)
Sky
Overcast
Temperature
26°C
Conditions
VFR - Clear conditions, no delays expected
KEF Keflavik International Airport - Arrival
Wind
5 kt (100°)
Sky
Broken
Temperature
7°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, not a forecast. Glide BOS → KEF through soft clouds, nothing to crash into.