How long is flight CX846?

The JFK to HKG route is the basis for the schedule. View the full route forecast and typical duration on the Turbcast route page.

Flight CX846

CX846 Turbulence ForecastCathay Pacific · JFK → HKG

About flight CX846

Airline: Cathay Pacific (CX)
Route: JFK → HKG
Typical Aircraft: B777
Distance: 12,970 km
Duration: 15h 35m
Cruise Altitude: FL410

See today’s turbulence forecast

Cathay Pacific CX846 flies the ultra-long-haul corridor from New York to Hong Kong. Conditions change hour to hour — view the live forecast for your departure date.

View live forecast

Turbulence on the JFK → HKG route

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 (North Pacific), where upper-level conditions are generally smoother than over continental terrain.

Calmest season: Late spring and early autumn. Transpacific routes are most turbulent in winter months when the polar jet is strong and positioned further south.

Full JFK to HKG route guide

Frequently asked questions

Is CX846 usually a bumpy flight?

Cathay Pacific CX846 operates between JFK and HKG. Whether it’s bumpy depends on the day’s weather — Turbcast pulls live NOAA aviation-grade data so you can check the actual forecast for your departure date rather than relying on averages.

What aircraft does CX846 use?

CX846 is typically operated by the B777. Aircraft swaps happen — confirm with your booking before flying.

How long is the JFK to HKG flight?

Approximately 15h 35m direct, covering 12,970 km at a typical cruise of FL410.

When does CX846 have the smoothest weather?

Historically calmest during Late spring and early autumn. Forecast accuracy improves as you get closer to departure — within 48 hours the NOAA WAFS model is at peak skill.

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