When is the Seattle to Bali 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 SEA to DPS route?

The SEA–DPS route is typically operated by Boeing 777-300ER · Boeing 787-9. Airlines include United, American Airlines, Delta.

Is turbulence on SEA to DPS dangerous?

No — turbulence on the SEA–DPS 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 SEA to DPS flight?

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

SEA to DPS Turbulence Forecast

Q: Is the Seattle to Bali flight turbulent?

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

Q: Which seat is smoothest on SEA to DPS?

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

Q: How long is the flight from SEA to DPS?

The SEA to DPS flight takes approximately 16h 00m, covering 8,161 miles (7,092 nautical miles) at a cruising altitude of 37,000 feet.

Is the Seattle to Bali flight turbulent? Live forecast & historical patterns.

Live forecast

SEA

→

DPS

Seattle · Bali · 16h 00m

33.0

Turb Score

16h 00m

Duration

7,092 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 SEA–DPS

0h1h2h3h4h5h6h16h 00m

Smooth

Light

Moderate

Heavy

About the SEA–DPS route

The Seattle to Bali route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 8,161 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 8,161 miles (7,092 nautical miles).

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

Seattle to Bali Flight Time

How long is the flight from SEA to DPS?

16h 00m

Flight Time

8,161 mi

Distance

37,000 ft

Cruising Altitude

Boeing 777-300ER

Aircraft

The Seattle (SEA) to Bali (DPS) flight takes approximately 16h 00m, covering 8,161 miles (7,092 nautical miles) at 37,000 feet. The route is operated by United, American Airlines, Delta. Return flights (DPS to SEA) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on SEA–DPS

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 SEA–DPS

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on SEA–DPS

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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Other popular routes with turbulence data

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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

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Passenger Reports

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

Frequent flyer · April

There was some noticeable movement over the Pacific that made me grip the armrest. My seatmate (clearly a regular) didn't even look up from their book. Perspective.

First-time flyer · June

The 16h 00m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · January

All SEA routes→ All DPS routes→

Frequently asked questions

Is the Seattle to Bali flight turbulent?

The SEA–DPS route typically experiences light turbulence. Light turbulence may occur — mostly smooth with occasional bumps. The turbulence score for this route is 33.0/100.

When is turbulence worst on SEA to DPS?

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 SEA to DPS?

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 SEA to DPS?

The SEA to DPS flight takes approximately 16h 00m, covering 8,161 miles (7,092 nautical miles).

Which airlines fly SEA to DPS?

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