Flights operate between San Francisco (SFO) and Kolkata (CCU).
1 airline operates this route with 2 flights daily flights.
Average flight time is 15h 15m - 16h 50m.
Route distance is 7859 miles (12645 km).
Route Distance
7859 miles (12645 km)
Average Duration
15h 15m - 16h 50m
Airlines Operating This Route
Air India
Flight Frequency
Daily Flights
2 flights
Weekly Flights
14
Typical Departure Time Ranges
Earliest Departure
14:25
Latest Departure
22:50
Route Intelligence Dashboard
Overall Connectivity Score
60
GoodRoute Diversity
1
Direct Routes
Air India serves 1 destination from SFO
Weekly Frequency
14
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SFO → Kolkata (CCU) (CCU) | 14/week | 15h 15m - 16h 50m | 7,859 km | Moderate |
Flight Schedule & Filters
Air India flights from San Francisco (SFO) to Kolkata (CCU)
Air India operates scheduled nonstop flights between San Francisco (SFO) and Kolkata (CCU). Air India operates 2 flights daily flights on this route.• Flight Duration: 15h 15m - 16h 50m (average flight time)• Distance: 7859 miles (12645 km) (air miles between airports)• Daily Flights: 2 flights (scheduled departures per day)
San Francisco (SFO)
US
Kolkata (CCU)
IN
FLIGHT TIME
15h 15m - 16h 50m
FLIGHT DISTANCE
7859 miles (12645 km)
16h 50m - 16h 50m
14:25
22:50
7859 miles (12645 km)
October
1 (Show)
14
Air India Terminal Information & Contact
Departure Terminal - San Francisco (SFO)
Terminal: INTL
Phone: 1888 634 1407
Location: INTL, San Francisco, US
Arrival Terminal - Kolkata (CCU)
Terminal: 1
Phone: 3322110730
Location: 1, Kolkata, IN
Air India Flight Schedule from San Francisco (SFO) to Kolkata (CCU)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AI174 |  Air India | 14:25 | 20:45:00 | Boeing 777-300ER |
AI176 | Air India | 22:50 | 05:10:00 | Boeing 777-300ER |
Air India Monthly Flight Calendar
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Things to Do Near CCU Airport
Ashok
2.0 km from airportSwissotel Kolkata
3.6 km from airportNIPS Serviced Apartment / Guest House EC-98, Salt Lake
8.7 km from airportBoudir Bhater
8.9 km from airportNicco Park
9.7 km from airportMarble Palace
12.0 km from airportAir India Terminal Information
Departure Terminal at San Francisco (SFO):
• Terminal : Air India operates from this terminal
Terminal INTL:
• Air India Terminal Phone: 1888 634 1407
Arrival Terminal at Kolkata (CCU):
• Terminal : Air India operates from this terminal
Terminal 1:
• Air India Terminal Phone: 3322110730
Weather & Climate at Kolkata (CCU)
26.4°C
Avg Temperature173mm
Avg Rainfall9.1km/h
Avg Wind Speed76%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Kolkata (CCU)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Kolkata (CCU)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Air India to Kolkata (CCU)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Extreme Conditions
These months may have extreme weather or conditions. Travel with caution and proper preparation.
Seasonal Insight
Best travel months: 2025-01, 2025-02, 2025-11, 2025-12
Seasonal Travel Calendar
Air India Contact Information and Customer Services
Air India Address
Air India Building, Narriman Point
Mumbai, Maharashtra 400 021, India
Customer Service Phone
+91 124 2641407Official Website
airindia.comFrequently Asked Questions
How many Air India flights operate from San Francisco (SFO) to Kolkata (CCU)?
Air India operates 2 flights from San Francisco (SFO) to Kolkata (CCU).
What city does Kolkata (CCU) airport serve?
Kolkata (CCU) airport serves Kolkata, IN.
How long is the Air India flight from San Francisco (SFO) to Kolkata (CCU)?
The flight duration is approximately 15h 15m - 16h 50m.
What is the distance from San Francisco (SFO) to Kolkata (CCU)?
The distance is 7859 miles (12645 km).
What aircraft does Air India use on this route?
Air India uses Boeing 777-300ER on this route.
What are the earliest and latest Air India flight departure times?
The earliest Air India flight departs at 14:25 and the latest departs at 22:50.
Which terminal does Air India use at San Francisco (SFO)?
Air India flights from San Francisco (SFO) depart from Terminal INTL. Terminal INTL phone: 1888 634 1407.
View all Air India flights to San Francisco (SFO) →
Popular Air India routes from San Francisco include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.