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Route turbulence forecast

Rome Lisbon

Turbulence forecast for flights from Leonardo da Vinci–Fiumicino Airport (FCO) to Humberto Delgado Airport (Lisbon Portela Airport) (LIS).

Standard route profile
Distance
1,839 km
993 nm
Typical duration
2h 51m
Ground-speed estimate
Cruise
FL370
37,000 ft
Jet stream
Moderate — partial jet exposure

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

Live status with real-time delays and cancellations.

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What to expect on this route

Westbound (usually into prevailing winds) · Great-circle bearing -93°

The route crosses mid-latitudes where the polar jet can influence flight conditions, though exposure is shorter than on genuine long-haul crossings. A large portion of the flight crosses open ocean (Mediterranean), where upper-level conditions are generally smoother than over continental terrain. Westbound aircraft typically fly against the prevailing winds, adding flight time. Captains often pick altitudes that avoid the strongest headwinds, which can also mean picking cleaner-air altitudes.

Ocean / water segments
Mediterranean

Seasonal turbulence pattern

Seasonal turbulence on this route is modest — most variation comes from day-to-day weather rather than strong seasonal cycles.

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

FCOLIS turbulence FAQ

Is the Rome to Lisbon flight usually bumpy?

Most of the 1,839 km route sits in the mid latitude band with moderate jet-stream exposure. Historically that means occasional clear-air turbulence at cruise altitude is normal, especially in winter.

When is the best time to fly FCO to LIS 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 FCO to LIS?

Block time is usually around 2h 51m direct, cruising at approximately FL370 (37,000 ft). Actual duration varies with winds — tailwinds can shave 15–30 minutes, headwinds can add 30+ minutes on this westbound 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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