When is the Singapore to Jakarta route most turbulent?

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

What aircraft operates the SIN to CGK route?

The SIN–CGK route is typically operated by Airbus A320 · Boeing 737. Airlines include Singapore Airlines, Garuda Indonesia, Lion Air.

Is turbulence on SIN to CGK dangerous?

No — turbulence on the SIN–CGK route is not dangerous to the aircraft. Modern commercial aircraft are built to withstand far more stress than any turbulence encountered. The main risk is to unbelted passengers. Always keep your seatbelt fastened when seated.

How can I check turbulence before my SIN to CGK flight?

Use the Turbulence Forecast app (iOS & Android) for real-time PIREPs, SIGMET alerts, and AI-powered forecasts for the SIN–CGK route. The app shows minute-by-minute turbulence timing for your specific flight date.

SIN to CGK Turbulence Forecast

Q: Is the Singapore to Jakarta flight turbulent?

The SIN–CGK route typically experiences moderate turbulence.

Q: Which seat is smoothest on SIN to CGK?

Wing seats are smoothest. On a Airbus A320 · Boeing 737, that's rows 14-20. Avoid the rear of the aircraft where turbulence is felt most.

Q: How long is the flight from SIN to CGK?

The SIN to CGK flight takes approximately 1h 42m, covering 636 miles (553 nautical miles) at a cruising altitude of 33,000 feet.

Is the Singapore to Jakarta flight turbulent? Live forecast & historical patterns.

Live forecast

SIN

→

CGK

Singapore · Jakarta · 1h 42m

6.2

Turb Score

1h 42m

Duration

553 nm

Distance

33,000 ft

Cruise Alt.

moderate

Typical

⚠️ moderate turbulence today

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Typical turbulence along the route

Historical average pattern for SIN–CGK

0h1h2h3h4h5h6h1h 42m

Smooth

Light

Moderate

Heavy

About the SIN–CGK route

The Singapore to Jakarta route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 636 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 Singapore Airlines, Garuda Indonesia, Lion Air on Airbus A320 · Boeing 737 aircraft, with flights typically cruising at 33,000 feet over a distance of 636 miles (553 nautical miles).

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

Singapore to Jakarta Flight Time

How long is the flight from SIN to CGK?

1h 42m

Flight Time

636 mi

Distance

33,000 ft

Cruising Altitude

Airbus A320

Aircraft

The Singapore (SIN) to Jakarta (CGK) flight takes approximately 1h 42m, covering 636 miles (553 nautical miles) at 33,000 feet. The route is operated by Singapore Airlines, Garuda Indonesia, Lion Air. Return flights (CGK to SIN) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on SIN–CGK

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

Get minute-by-minute timing for your specific flight

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Best time to fly SIN–CGK

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on SIN–CGK

Airbus A320

Front

Rows 1–13

Light

✓ Wing

Rows 14-20

Smoothest

Rear

Rows 21+

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

Similar routes

Other popular routes with turbulence data

SIN → LAX

Singapore → Los Angeles

Light

SIN → AMS

Singapore → Amsterdam

See all transpacific flights →

Related guides

Learn more about flight turbulence

Turbulence Tracker

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Best Seat Guide

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→

Clear-Air Turbulence

The invisible rough air that's increasing

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Turbulence in 2025

Is turbulence getting worse?

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Turbulence Forecast Map

Global turbulence outlook

→

Passenger Reports

Some light chop over the Pacific — seatbelt sign came on for maybe 20 minutes but nothing to worry about. Typical for this route in July.

Regular traveler · July

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

Frequent flyer · February

The 1h 42m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · January

All SIN routes→ All CGK routes→

Frequently asked questions

Is the Singapore to Jakarta flight turbulent?

The SIN–CGK route typically experiences moderate turbulence. The turbulence score for this route is 6.2/100.

When is turbulence worst on SIN to CGK?

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 SIN to CGK?

Wing seats are always the smoothest. On a Airbus A320 (the most common aircraft on this route), that's rows 14-20. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from SIN to CGK?

The SIN to CGK flight takes approximately 1h 42m, covering 636 miles (553 nautical miles).

Which airlines fly SIN to CGK?

The main airlines operating this route are Singapore Airlines, Garuda Indonesia, Lion Air, flying Airbus A320 · Boeing 737 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