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✈️ Miami (MIA) ⇄ Seattle (SEA): turbulence forecast

Checking whether your MIA–SEA flight will be bumpy? RideScore samples the live forecast winds at cruise altitude along the actual Miami–Seattle route and scores every leg of the flight, in plain English.

Live forecast MIA → SEA SEA → MIA
Distance4,379 km / 2,720 mi
Est. flight time~5h 39m
Time difference3h time behind at SEA
AirportsMiami Intl · Seattle Tacoma Intl

What makes this route bumpy (or not)

Turbulence here mostly depends on the day's winds aloft — where the fast air sits and how sharply it changes with altitude. That's exactly what the live forecast checks.

How the forecast works

RideScore reads the same global weather models professionals use (NOAA GFS / ECMWF via Open-Meteo), computes wind shear, jet-stream strength and storm energy at up to 11 points along the MIA–SEA great-circle, and turns it into a simple 0–10 bumpiness score for each leg of your flight — plus recent pilot reports from aircraft that just flew nearby. It's free, with no account and no tracking, and works up to 16 days ahead.

Common questions

Is the MIA to SEA flight usually turbulent?
It varies day to day with the winds aloft. Turbulence here mostly depends on the day's winds aloft — where the fast air sits and how sharply it changes with altitude. That's exactly what the live forecast checks. Check the live forecast on RideScore just before you fly — it samples the actual forecast winds along the Miami–Seattle route at cruise altitude.
How long is the flight from Miami to Seattle?
The great-circle distance is about 4,379 km (2,720 miles), which works out to roughly 5h 39m in the air depending on winds and routing.
Is turbulence on this route dangerous?
No — turbulence is uncomfortable, not dangerous to the aircraft. Modern jets are built for far worse than anything encountered in normal service, and pilots route around the roughest air. Keep your seatbelt fastened and it is a non-event.

More routes from Miami (MIA) · More routes from Seattle (SEA)

This page shows typical route characteristics; conditions on your day will differ — run the live forecast. Estimates only, not an aviation weather briefing. © 2026 RideScore · made with ❤️ in Amsterdam · About · Terms