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 Kolkata to San Francisco Flights
Flights from Kolkata (CCU) to San Francisco (SFO) cover a distance of approximately 12,578 kilometers. A direct flight typically takes around 16 hours and 43 minutes, based on an average cruising speed of 800 km/h and including time for takeoff and landing procedures.
Netaji Subhas Chandra Bose International Airport in India and San Francisco International Airport in United States are located in different time zones. San Francisco is approximately 14 hours behind Kolkata.
This flight route produces an estimated 1,446 kg of CO₂ per passenger, based on industry average emissions calculations.