SEA to ATH Turbulence Forecast
Is the Seattle to Athens flight turbulent? Live forecast & historical patterns.
Seattle · Athens · 12h 10m
⚠️ Light turbulence today
Get exact timing, altitude & best seat — free
★★★★★ 4.8 · Free · iOS & Android
Scan to get the full forecast
★★★★★ 4.8 · Free · iOS & Android · No sign-up
Typical turbulence along the route
Historical average pattern for SEA–ATH
0h1h2h3h4h5h6h12h 10m
About the SEA–ATH route
The Seattle to Athens route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 37,000 feet, the aircraft encounters the strongest bumps roughly 2–5 hours into the flight. This is clear-air turbulence — no clouds, no visual warning — which makes a pre-flight forecast especially valuable.
The route is served by American Airlines, United, Delta on Boeing 777 · Airbus A350 aircraft,
with flights typically cruising at 37,000 feet over a distance of 6,181 miles (5,371 nautical miles).
💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.
Seattle to Athens Flight Time
How long is the flight from SEA to ATH?
37,000 ft
Cruising Altitude
The Seattle (SEA) to Athens (ATH) flight takes approximately 12h 10m,
covering 6,181 miles (5,371 nautical miles) at 37,000 feet.
The route is operated by American Airlines, United, Delta.
Return flights (ATH 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–ATH
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
Best time to fly SEA–ATH
Turbulence by month
Best seat on SEA–ATH
Boeing 777
✓ Wing
Rows 20–38
Smoothest
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
Related guides
Learn more about flight turbulence
Passenger Reports
Flew Seattle–Athens 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
There was some noticeable movement mid-Atlantic that made me grip the armrest. My seatmate (clearly a regular) didn't even look up from their book. Perspective.
First-time flyer · April
Kids barely noticed the turbulence — just some mild bumps over the Atlantic. Seatbelt sign was on and off a couple times. Nothing dramatic.
Parent traveling with kids · March
Frequently asked questions
Is the Seattle to Athens flight turbulent?
The SEA–ATH route typically experiences light turbulence. The turbulence score for this route is 41.6/100.
When is turbulence worst on SEA to ATH?
Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on SEA to ATH?
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 SEA to ATH?
The SEA to ATH flight takes approximately 12h 10m, covering 6,181 miles (5,371 nautical miles).
Which airlines fly SEA to ATH?
The main airlines operating this route are American Airlines, United, 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