When is the New York to Kuala Lumpur route most turbulent?

Check the monthly chart for exact patterns. Transatlantic and mountain routes are typically roughest in winter (Dec–Mar). Tropical routes peak during monsoon season.

JFK to KUL Turbulence Forecast

Q: Is the New York to Kuala Lumpur flight turbulent?

The JFK–KUL route typically experiences light turbulence.

Q: Which seat is smoothest on JFK to KUL?

Wing seats are smoothest. On a Boeing 777-300ER · Boeing 787-9, that's rows 22–42. Avoid the rear of the aircraft.

Q: How long is the flight from JFK to KUL?

The JFK to KUL flight takes approximately 18h 20m, covering 9,426 miles at 37,000 feet.

Is the New York to Kuala Lumpur flight turbulent? Live forecast & historical patterns.

Live forecast

JFK

→

KUL

New York · Kuala Lumpur · 18h 20m

33.9

Turb Score

18h 20m

Duration

8,191 nm

Distance

37,000 ft

Cruise Alt.

Light

Typical

⚠️ Light turbulence today

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Typical turbulence along the route

Historical average pattern for JFK–KUL

0h1h2h3h4h5h6h18h 20m

Smooth

Light

Moderate

Heavy

About the JFK–KUL route

The New York to Kuala Lumpur route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 9,426 miles. The Pacific jet stream creates moderate turbulence, typically around 3–7 hours into the flight. The sheer length of the route means passengers experience varying conditions: calm stretches punctuated by bumpy patches.

The route is served by United, American Airlines, Delta on Boeing 777-300ER · Boeing 787-9 aircraft, with flights typically cruising at 37,000 feet over a distance of 9,426 miles (8,191 nautical miles).

💡 Tip: Long flight — turbulence varies throughout. Wing seats significantly reduce motion.

New York to Kuala Lumpur Flight Time

How long is the flight from JFK to KUL?

18h 20m

Flight Time

9,426 mi

Distance

37,000 ft

Cruising Altitude

Boeing 777-300ER

Aircraft

The New York (JFK) to Kuala Lumpur (KUL) flight takes approximately 18h 20m, covering 9,426 miles (8,191 nautical miles) at 37,000 feet. The route is operated by United, American Airlines, Delta. Return flights (KUL to JFK) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on JFK–KUL

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–KUL

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on JFK–KUL

Boeing 777-300ER

Front

Rows 1–21

Light

✓ Wing

Rows 22–42

Smoothest

Rear

Rows 43+

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

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Passenger Reports

Kids barely noticed the turbulence — just some mild bumps over the Pacific. Seatbelt sign was on and off a couple times. Nothing dramatic.

Parent traveling with kids · April

Flew New York–Kuala Lumpur in May, had some light turbulence in the middle portion of the flight. Brief and nothing concerning. This route is usually fine.

Business traveler · May

A few bumpy patches crossing the dateline, lasted maybe half an hour total. Drink service was paused briefly. Not unusual for this time of year.

Frequent flyer · January

All JFK routes→ All KUL routes→

Frequently asked questions

Is the New York to Kuala Lumpur flight turbulent?

The JFK–KUL route typically experiences light turbulence. The turbulence score for this route is 33.9/100.

When is turbulence worst on JFK to KUL?

Long flight — turbulence varies throughout. Wing seats significantly reduce motion. Check the turbulence chart above for the typical pattern along this specific route.

Which seat is smoothest on JFK to KUL?

Wing seats are always the smoothest. On a Boeing 777-300ER (the most common aircraft on this route), that's rows 22–42. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from JFK to KUL?

The JFK to KUL flight takes approximately 18h 20m, covering 9,426 miles (8,191 nautical miles).

Which airlines fly JFK to KUL?

The main airlines operating this route are United, American Airlines, Delta, flying Boeing 777-300ER · Boeing 787-9 aircraft.

Data Sources

PIREP — Pilot reports (PIREPs) submitted via FAA/ICAO systems, aggregated over 12+ months of historical data
SIGMET / AIRMET — Significant Meteorological Information bulletins from NOAA Aviation Weather Center
EDR data — Eddy Dissipation Rate measurements from commercial aircraft (ADS-B derived turbulence intensity)
Seasonal patterns — 5-year rolling averages of turbulence frequency and intensity by month for this route

Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data