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JFK to SJU Turbulence Forecast

Is the New York to San Juan flight turbulent? Live forecast & historical patterns.

Live forecast
JFK
→
SJU
New York · San Juan · 3h 30m
38
Turb Score
3h 30m
Duration
1,392 nm
Distance
34,000 ft
Cruise Alt.
Light
Typical
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Typical turbulence along the route

Historical average pattern for JFK–SJU

Smooth Light Moderate
0h1h2h3h4h5h6h3h 30m
Smooth
Light
Moderate
Heavy

About the JFK–SJU route

The New York to San Juan route is one of the most popular leisure routes in North America, covering 1,602 miles over warm Caribbean waters. Turbulence is generally light — the main exception is tropical convective activity (thunderstorm-related turbulence) during hurricane season (June–November). Pilots typically route around storm cells when possible.

The route is served by JetBlue, American Airlines, Spirit Airlines on Boeing 737 · Airbus A321 aircraft, with flights typically cruising at 34,000 feet over a distance of 1,602 miles (1,392 nautical miles).

💡 Tip: Mostly smooth. Hurricane season (Jun–Nov) can bring convective turbulence.

Turbulence levels on JFK–SJU

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm
LightMinor bumps — drink stays in your cup, walking feels slightly unsteady
ModerateNoticeable bumps — stay seated with seatbelt on, service may pause
HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

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Best time to fly JFK–SJU

Turbulence by month

J
F
M
A
M
J
J
A
S
O
N
D
Smooth
Light
Moderate
Rough

Best seat on JFK–SJU

Boeing 737

Front
Rows 1–9
Light
✓ Wing
Rows 10–18
Smoothest
Rear
Rows 19+
Rougher
Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

JFK to SJU turbulence forecast app
Flight turbulence tracker
Real-time turbulence map

Similar routes

Other popular routes with turbulence data

MIA → SJU
Miami → San Juan
Light
JFK → CUN
New York → Cancun
Light
JFK → MCO
New York → Orlando
Light
JFK → MIA
New York → Miami
Light
MIA → CUN
Miami → Cancun
Light
ATL → SJU
Atlanta → San Juan
Light
See all caribbean flights →
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Frequently asked questions

Is the New York to San Juan flight turbulent?
The JFK–SJU route typically experiences light turbulence. Light turbulence may occur — mostly smooth with occasional bumps. The turbulence score for this route is 38/100.
When is turbulence worst on JFK to SJU?
Mostly smooth. Hurricane season (Jun–Nov) can bring convective turbulence. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on JFK to SJU?
Wing seats are always the smoothest. On a Boeing 737 (the most common aircraft on this route), that's rows 10–18. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from JFK to SJU?
The JFK to SJU flight takes approximately 3h 30m, covering 1,602 miles (1,392 nautical miles).
Which airlines fly JFK to SJU?
The main airlines operating this route are JetBlue, American Airlines, Spirit Airlines, flying Boeing 737 · Airbus A321 aircraft.