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Route turbulence forecast

Seoul Taipei

Turbulence forecast for flights from Incheon International Airport (ICN) to Taiwan Taoyuan International Airport (TPE).

Standard route profile
Distance
1,464 km
790 nm
Typical duration
2h 23m
Ground-speed estimate
Cruise
FL340
34,000 ft
Jet stream
Low — limited jet crossings

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Get a segment-by-segment turbulence forecast for any scheduled flight from ICN to TPE, with live wind and pilot reports.

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What to expect on this route

Southbound · Great-circle bearing -159°

Most of the route sits away from the strongest jet-stream zones, so clear-air turbulence is less common than on long east-west crossings. A large portion of the flight crosses open ocean (North Pacific), where upper-level conditions are generally smoother than over continental terrain.

Ocean / water segments
North Pacific

Seasonal turbulence pattern

This corridor is most turbulent in the northern winter (Nov–Mar), when the jet stream is strongest and sits closer to the route.

Peak turbulence
November–March (Northern Hemisphere winter)
Typically calmest
Late spring to early autumn (May–September)

ICNTPE turbulence FAQ

Is the Seoul to Taipei flight usually bumpy?

Most of the 1,464 km route sits in the subtropical band with low jet-stream exposure. Historically that means most flights cruise in smooth air, with turbulence limited to short sectors near weather systems.

When is the best time to fly ICN to TPE for a smooth flight?

Statistically, Late spring to early autumn (May–September) sees the calmest conditions for this corridor. Within any season, morning departures see less convective (thunderstorm-driven) turbulence than afternoon flights.

How long is the flight from ICN to TPE?

Block time is usually around 2h 23m direct, cruising at approximately FL340 (34,000 ft). Actual duration varies with winds — tailwinds can shave 15–30 minutes, headwinds can add 30+ minutes on this southbound sector.

How accurate is Turbcast's forecast for this route?

We use live NOAA Aviation Weather Center pilot reports (PIREPs), SIGMETs and AIRMETs, layered with physics-based Ellrod and Richardson-number calculations from Open-Meteo pressure-level wind and temperature data. If a source is unavailable for a waypoint we show an em dash rather than invent a value.

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