Route turbulence forecast
Porto → London
Turbulence forecast for flights from Francisco de Sá Carneiro Airport (OPO) to London Heathrow Airport (LHR).
Check flights on this route
Get a segment-by-segment turbulence forecast for any scheduled flight from OPO to LHR, with live wind and pilot reports.
Live status with real-time delays and cancellations.
What to expect on this route
Northbound · Great-circle bearing 26°
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 (Mediterranean), where upper-level conditions are generally smoother than over continental terrain.
- 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)
OPO → LHR turbulence FAQ
Is the Porto to London flight usually bumpy?
Most of the 1,298 km route sits in the mid latitude 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 OPO to LHR 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 OPO to LHR?
Block time is usually around 2h 10m 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 northbound 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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