When is the Seattle to Kona 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 KOA route?

The SEA–KOA route is typically operated by Boeing 737 · Airbus A321. Airlines include Hawaiian Airlines, United, American, Alaska.

Is turbulence on SEA to KOA dangerous?

No — turbulence on the SEA–KOA 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 KOA flight?

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

SEA to KOA Turbulence Forecast

Q: Is the Seattle to Kona flight turbulent?

The SEA–KOA route typically experiences light turbulence. A very smooth flight with minimal turbulence expected.

Q: Which seat is smoothest on SEA to KOA?

Wing seats are smoothest. On a Boeing 737 · Airbus A321, that's rows 10-20. Avoid the rear of the aircraft where turbulence is felt most.

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

The SEA to KOA flight takes approximately 5h 10m, covering 2,688 miles (2,336 nautical miles) at a cruising altitude of 35,000 feet.

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

Live forecast

SEA

→

KOA

Seattle · Kona · 5h 10m

Turb Score

5h 10m

Duration

2,336 nm

Distance

35,000 ft

Cruise Alt.

Light

Typical

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Typical turbulence along the route

Historical average pattern for SEA–KOA

0h1h2h3h4h5h6h5h 10m

Smooth

Light

Moderate

Heavy

About the SEA–KOA route

The Seattle to Kona domestic route is generally one of the smoother flights in the US network, covering 2,688 miles at around 35,000 feet. Turbulence is most common when weather systems cross the Midwest or when the flight path skirts the Rocky Mountains. Short duration means any rough patches pass quickly.

The route is served by Hawaiian Airlines, United, American, Alaska on Boeing 737 · Airbus A321 aircraft, with flights typically cruising at 35,000 feet over a distance of 2,688 miles (2,336 nautical miles).

💡 Tip: Domestic routes are generally smoother. Mountain crossings are the main turbulence source.

Seattle to Kona Flight Time

How long is the flight from SEA to KOA?

5h 10m

Flight Time

2,688 mi

Distance

35,000 ft

Cruising Altitude

Boeing 737

Aircraft

The Seattle (SEA) to Kona (KOA) flight takes approximately 5h 10m, covering 2,688 miles (2,336 nautical miles) at 35,000 feet. The route is operated by Hawaiian Airlines, United, American, Alaska. Actual flight time may vary by 10–20 minutes depending on wind conditions and routing.

Turbulence levels on SEA–KOA

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 SEA–KOA

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on SEA–KOA

Boeing 737

Front

Rows 1–9

Light

✓ Wing

Rows 10-20

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

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Other popular routes with turbulence data

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Turbulence Tracker

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Best Seat Guide

Which rows feel turbulence least

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When Does Turbulence Happen?

Phases of flight explained

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Turbulence Forecast Map

Global turbulence outlook

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Passenger Reports

Flew Seattle–Kona in January, had some light turbulence in the middle portion of the flight. Brief and nothing concerning. This route is usually fine.

Business traveler · January

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

Frequent flyer · May

The 5h 10m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · January

All SEA routes→ All KOA routes→

Frequently asked questions

Is the Seattle to Kona flight turbulent?

The SEA–KOA route typically experiences light turbulence. A very smooth flight with minimal turbulence expected. The turbulence score for this route is 2/100.

When is turbulence worst on SEA to KOA?

Domestic routes are generally smoother. Mountain crossings are the main turbulence source. Check the turbulence chart above for the typical pattern along this specific route.

Which seat is smoothest on SEA to KOA?

Wing seats are always the smoothest. On a Boeing 737 (the most common aircraft on this route), that's rows 10-20. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from SEA to KOA?

The SEA to KOA flight takes approximately 5h 10m, covering 2,688 miles (2,336 nautical miles).

Which airlines fly SEA to KOA?

The main airlines operating this route are Hawaiian Airlines, United, American, Alaska, flying Boeing 737 · Airbus A321 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