Note: Estimated times are based on direct routes and average cruising speeds. CO₂ emissions are approximated based on average values for commercial flights. Actual flight duration, timezone differences, and emissions may vary based on routing, weather conditions, aircraft type, and other factors.
About London to Kolkata Flights
Flights from London (LHR) to Kolkata (CCU) cover a distance of approximately 7,984 kilometers. A direct flight typically takes around 10 hours and 59 minutes, based on an average cruising speed of 800 km/h and including time for takeoff and landing procedures.
Heathrow Airport in United Kingdom and Netaji Subhas Chandra Bose International Airport in India are located in different time zones. Kolkata is approximately 6 hours ahead of London.
This flight route produces an estimated 918 kg of CO₂ per passenger, based on industry average emissions calculations.