When is the London to Kolkata 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.

LGW to CCU Turbulence Forecast

Q: Is the London to Kolkata flight turbulent?

The LGW–CCU route typically experiences smooth turbulence.

Q: Which seat is smoothest on LGW to CCU?

Wing seats are smoothest. On a Boeing 777 · Airbus A350, that's rows 20–38. Avoid the rear of the aircraft.

Q: How long is the flight from LGW to CCU?

The LGW to CCU flight takes approximately 10h 15m, covering 4,955 miles at 37,000 feet.

Is the London to Kolkata flight turbulent? Live forecast & historical patterns.

Live forecast

LGW

→

CCU

London · Kolkata · 10h 15m

21.6

Turb Score

10h 15m

Duration

4,306 nm

Distance

37,000 ft

Cruise Alt.

Smooth

Typical

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Typical turbulence along the route

Historical average pattern for LGW–CCU

0h1h2h3h4h5h6h10h 15m

Smooth

Light

Moderate

Heavy

About the LGW–CCU route

The London to Kolkata 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 Air India, IndiGo, SpiceJet on Boeing 777 · Airbus A350 aircraft, with flights typically cruising at 37,000 feet over a distance of 4,955 miles (4,306 nautical miles).

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

London to Kolkata Flight Time

How long is the flight from LGW to CCU?

10h 15m

Flight Time

4,955 mi

Distance

37,000 ft

Cruising Altitude

Boeing 777

Aircraft

The London (LGW) to Kolkata (CCU) flight takes approximately 10h 15m, covering 4,955 miles (4,306 nautical miles) at 37,000 feet. The route is operated by Air India, IndiGo, SpiceJet. Return flights (CCU to LGW) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on LGW–CCU

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 LGW–CCU

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on LGW–CCU

Boeing 777

Front

Rows 1–19

Light

✓ Wing

Rows 20–38

Smoothest

Rear

Rows 39+

Rougher

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

Similar routes

Other popular routes with turbulence data

LGW → MAD

London Gatwick → Madrid

light

LGW → BCN

London Gatwick → Barcelona

light

LGW → FCO

London Gatwick → Rome

light-moderate

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Related guides

Learn more about flight turbulence

Turbulence Tracker

Track any flight in real time

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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

Did London to Kolkata last April and it was genuinely one of the smoothest long-haul flights I've had. Barely any movement the whole way.

Frequent flyer · April

Fly this route pretty regularly for work. Most of the time it's smooth — August was completely fine, not a bump worth mentioning.

Business traveler · August

Was nervous about this flight but honestly didn't need to be. Smooth the whole way, the 10h 15m went by fast.

First-time passenger · January

All LGW routes→ All CCU routes→

Frequently asked questions

Is the London to Kolkata flight turbulent?

The LGW–CCU route typically experiences smooth turbulence. The turbulence score for this route is 21.6/100.

When is turbulence worst on LGW to CCU?

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 LGW to CCU?

Wing seats are always the smoothest. On a Boeing 777 (the most common aircraft on this route), that's rows 20–38. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from LGW to CCU?

The LGW to CCU flight takes approximately 10h 15m, covering 4,955 miles (4,306 nautical miles).

Which airlines fly LGW to CCU?

The main airlines operating this route are Air India, IndiGo, SpiceJet, flying Boeing 777 · Airbus A350 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