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Route turbulence forecast

Phoenix New York

Turbulence forecast for flights from Phoenix Sky Harbor International Airport (PHX) to La Guardia Airport (LGA).

Mountain-wave sensitive route
Distance
3,451 km
1,863 nm
Typical duration
4h 31m
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 PHX to LGA, with live wind and pilot reports.

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What to expect on this route

Eastbound (generally tailwind-assisted) · Great-circle bearing 65°

The route crosses mid-latitudes where the polar jet can influence flight conditions, though exposure is shorter than on genuine long-haul crossings. The route crosses or passes near the Rocky Mountains, which can generate mountain-wave turbulence downwind when upper-level winds are strong. Flying eastbound, aircraft usually benefit from tailwinds near the jet core, which trims flight time — but the edges of the jet are where clear-air turbulence most often sits.

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)

PHXLGA turbulence FAQ

Is the Phoenix to New York flight usually bumpy?

Most of the 3,451 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. Mountain-wave effects near the Rocky Mountains add short bumpy stretches when upper-level winds are strong.

When is the best time to fly PHX to LGA 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 PHX to LGA?

Block time is usually around 4h 31m 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 eastbound 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.

Flying the other way? LGAPHX turbulence forecast →

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