When is the Honolulu to Singapore 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.

HNL to SIN Turbulence Forecast

Q: Is the Honolulu to Singapore flight turbulent?

The HNL–SIN route typically experiences light turbulence. Light turbulence may occur — mostly smooth with occasional bumps.

Q: Which seat is smoothest on HNL to SIN?

Wing seats are smoothest. On a Boeing 777 · Airbus A350, that's rows 20–38. Avoid the rear of the aircraft.

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

The HNL to SIN flight takes approximately 13h 25m, covering 6,704 miles at 37,000 feet.

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

Live forecast

HNL

→

SIN

Honolulu · Singapore · 13h 25m

31.0

Turb Score

13h 25m

Duration

5,826 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 HNL–SIN

0h1h2h3h4h5h6h13h 25m

Smooth

Light

Moderate

Heavy

About the HNL–SIN route

The Honolulu to Singapore route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 6,704 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 · Airbus A350 aircraft, with flights typically cruising at 37,000 feet over a distance of 6,704 miles (5,826 nautical miles).

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

Honolulu to Singapore Flight Time

How long is the flight from HNL to SIN?

13h 25m

Flight Time

6,704 mi

Distance

37,000 ft

Cruising Altitude

Boeing 777

Aircraft

The Honolulu (HNL) to Singapore (SIN) flight takes approximately 13h 25m, covering 6,704 miles (5,826 nautical miles) at 37,000 feet. The route is operated by United, American Airlines, Delta. Return flights (SIN to HNL) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on HNL–SIN

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 HNL–SIN

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on HNL–SIN

Boeing 777

Front

Rows 1–19

Light

✓ Wing

Rows 20–38

Smoothest

Rear

Rows 39+

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

HNL → LAX

Honolulu → Los Angeles

Light

HNL → SFO

Honolulu → San Francisco

See all transpacific flights →

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Passenger Reports

The 13h 25m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · April

Flew Honolulu–Singapore in August, had some light turbulence in the middle portion of the flight. Brief and nothing concerning. This route is usually fine.

Business traveler · August

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

Frequent flyer · January

All HNL routes→ All SIN routes→

Frequently asked questions

Is the Honolulu to Singapore flight turbulent?

The HNL–SIN route typically experiences light turbulence. Light turbulence may occur — mostly smooth with occasional bumps. The turbulence score for this route is 31.0/100.

When is turbulence worst on HNL to SIN?

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 HNL to SIN?

Wing seats are always the smoothest. On a Boeing 777 (the most common aircraft on this route), that's rows 20–38. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from HNL to SIN?

The HNL to SIN flight takes approximately 13h 25m, covering 6,704 miles (5,826 nautical miles).

Which airlines fly HNL to SIN?

The main airlines operating this route are United, American Airlines, Delta, flying Boeing 777 · Airbus A350 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