When is the Hanoi to Siem Reap route most turbulent?

Check the monthly chart for exact patterns. Transatlantic and mountain routes are typically roughest in winter (Dec–Mar). Tropical routes peak during monsoon season.

HAN to REP Turbulence Forecast

Q: Is the Hanoi to Siem Reap flight turbulent?

The HAN–REP route typically experiences light turbulence.

Q: Which seat is smoothest on HAN to REP?

Wing seats are smoothest. On a Airbus A320 · Boeing 737, that's rows 10–20. Avoid the rear of the aircraft.

Q: How long is the flight from HAN to REP?

The HAN to REP flight takes approximately 1h 45m, covering 556 miles at 33,000 feet.

Is the Hanoi to Siem Reap flight turbulent? Live forecast & historical patterns.

Live forecast

HAN

→

REP

Hanoi · Siem Reap · 1h 45m

29.2

Turb Score

1h 45m

Duration

483 nm

Distance

33,000 ft

Cruise Alt.

Light

Typical

⚠️ Light turbulence today

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Typical turbulence along the route

Historical average pattern for HAN–REP

0h1h2h3h4h5h6h1h 45m

Smooth

Light

Moderate

Heavy

About the HAN–REP route

The Hanoi to Siem Reap route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 33,000 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 Singapore Airlines, AirAsia, Thai Airways on Airbus A320 · Boeing 737 aircraft, with flights typically cruising at 33,000 feet over a distance of 556 miles (483 nautical miles).

💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.

Hanoi to Siem Reap Flight Time

How long is the flight from HAN to REP?

1h 45m

Flight Time

556 mi

Distance

33,000 ft

Cruising Altitude

Airbus A320

Aircraft

The Hanoi (HAN) to Siem Reap (REP) flight takes approximately 1h 45m, covering 556 miles (483 nautical miles) at 33,000 feet. The route is operated by Singapore Airlines, AirAsia, Thai Airways. Return flights (REP to HAN) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on HAN–REP

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

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Best time to fly HAN–REP

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on HAN–REP

Airbus A320

Front

Rows 1–9

Light

✓ Wing

Rows 10–20

Smoothest

Rear

Rows 21+

Rougher

Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

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Best Seat Guide

Which rows feel turbulence least

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Turbulence Forecast Map

Global turbulence outlook

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Passenger Reports

Some light chop over Central Asia — seatbelt sign came on for maybe 20 minutes but nothing to worry about. Typical for this route in April.

Regular traveler · April

Kids barely noticed the turbulence — just some mild bumps over the subcontinent. Seatbelt sign was on and off a couple times. Nothing dramatic.

Parent traveling with kids · December

The 1h 45m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · January

All HAN routes→ All REP routes→

Frequently asked questions

Is the Hanoi to Siem Reap flight turbulent?

The HAN–REP route typically experiences light turbulence. The turbulence score for this route is 29.2/100.

When is turbulence worst on HAN to REP?

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 HAN to REP?

Wing seats are always the smoothest. On a Airbus A320 (the most common aircraft on this route), that's rows 10–20. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from HAN to REP?

The HAN to REP flight takes approximately 1h 45m, covering 556 miles (483 nautical miles).

Which airlines fly HAN to REP?

The main airlines operating this route are Singapore Airlines, AirAsia, Thai Airways, flying Airbus A320 · Boeing 737 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