YHZ to SFO Turbulence Forecast
Is the Halifax to San Francisco flight turbulent? Live forecast & historical patterns.
Halifax · San Francisco · 6h 15m
⚠️ Smooth turbulence today
Get exact timing, altitude & best seat — free
★★★★★ 4.8 · Free · iOS & Android
Scan to get the full forecast
★★★★★ 4.8 · Free · iOS & Android · No sign-up
Typical turbulence along the route
Historical average pattern for YHZ–SFO
0h1h2h3h4h5h6h6h 15m
About the YHZ–SFO route
The Halifax to San Francisco route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 37,000 feet, the aircraft encounters the strongest bumps roughly 2–5 hours into the flight. This is clear-air turbulence — no clouds, no visual warning — which makes a pre-flight forecast especially valuable.
The route is served by United, American Airlines, Delta on Boeing 757 · Airbus A330 aircraft,
with flights typically cruising at 37,000 feet over a distance of 3,031 miles (2,634 nautical miles).
💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.
Halifax to San Francisco Flight Time
How long is the flight from YHZ to SFO?
37,000 ft
Cruising Altitude
The Halifax (YHZ) to San Francisco (SFO) flight takes approximately 6h 15m,
covering 3,031 miles (2,634 nautical miles) at 37,000 feet.
The route is operated by United, American Airlines, Delta.
Return flights (SFO to YHZ) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.
Turbulence levels on YHZ–SFO
What to expect at each phase of the flight
SmoothDeparture & arrival — climb and descent phases are generally calm
LightMinor bumps — drink stays in your cup, walking feels slightly unsteady
ModerateNoticeable bumps — stay seated with seatbelt on, service may pause
HeavyStrong jolts — unsecured items move, crew seated. Rare but possible
Get minute-by-minute timing for your specific flight
Best time to fly YHZ–SFO
Turbulence by month
Best seat on YHZ–SFO
Boeing 757
✓ Wing
Rows 14–24
Smoothest
Wing seats are over the center of gravity — least affected by turbulence.
What you'll see in the app
Full forecast, live map & seat recommendations
Related guides
Learn more about flight turbulence
Passenger Reports
Did Halifax to San Francisco last January and it was genuinely one of the smoothest long-haul flights I've had. Barely any movement the whole way.
Frequent flyer · January
Fly this route pretty regularly for work. Most of the time it's smooth — May was completely fine, not a bump worth mentioning.
Business traveler · May
Was nervous about this flight but honestly didn't need to be. Smooth the whole way, the 6h 15m went by fast.
First-time passenger · January
Frequently asked questions
Is the Halifax to San Francisco flight turbulent?
The YHZ–SFO route typically experiences smooth turbulence. The turbulence score for this route is 2.8/100.
When is turbulence worst on YHZ to SFO?
Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on YHZ to SFO?
Wing seats are always the smoothest. On a Boeing 757 (the most common aircraft on this route), that's rows 14–24. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from YHZ to SFO?
The YHZ to SFO flight takes approximately 6h 15m, covering 3,031 miles (2,634 nautical miles).
Which airlines fly YHZ to SFO?
The main airlines operating this route are United, American Airlines, Delta, flying Boeing 757 · Airbus A330 aircraft.
Data Sources
- PIREP — Pilot reports (PIREPs) submitted via FAA/ICAO systems, aggregated over 12+ months of historical data
- SIGMET / AIRMET — Significant Meteorological Information bulletins from NOAA Aviation Weather Center
- EDR data — Eddy Dissipation Rate measurements from commercial aircraft (ADS-B derived turbulence intensity)
- Seasonal patterns — 5-year rolling averages of turbulence frequency and intensity by month for this route
Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data