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Route turbulence forecast

Calgary Las Vegas

Turbulence forecast for flights from Calgary International Airport (YYC) to McCarran International Airport (LAS).

Mountain-wave sensitive route
Distance
1,674 km
904 nm
Typical duration
2h 39m
Ground-speed estimate
Cruise
FL370
37,000 ft
Jet stream
Low — limited jet crossings

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

Live status with real-time delays and cancellations.

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What to expect on this route

Southbound · Great-circle bearing -176°

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. The route crosses or passes near the Rocky Mountains, which can generate mountain-wave turbulence downwind when upper-level winds are strong.

Mountain crossings
Rocky Mountains

Seasonal turbulence pattern

Wind flowing over the Rocky Mountains can generate mountain-wave turbulence that extends hundreds of kilometres downwind — most pronounced in the northern winter (Nov–Mar), when upper-level winds are strongest.

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

YYCLAS turbulence FAQ

Is the Calgary to Las Vegas flight usually bumpy?

Most of the 1,674 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. Mountain-wave effects near the Rocky Mountains add short bumpy stretches when upper-level winds are strong.

When is the best time to fly YYC to LAS 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 YYC to LAS?

Block time is usually around 2h 39m 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 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.

Related routes

Flying the other way? LASYYC turbulence forecast →

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