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Flight Route

San FranciscoKolkata

Flights from San Francisco (SFO) to Kolkata (CCU)

Timezone shift+14hDirectioneastboundFlight time16h 50mDistance12,571 kmDirect1 airlines

Route Profile

Distance

12,571 km

Fastest Flight

16h 50m

Timezone Shift

+14h

Direct Airlines

1

AlliancesStar AllianceSkyTeamOneworld
ClassesEconomyPremium EconomyBusinessFirst
Schedulesumotuwethfrsa
Aircraft
Boeing 777-300ER

San Francisco to Kolkata Flights

Flights from San Francisco to Kolkata are operated 20 times. Departure times vary between 10:00 and 18:45. You can fly in Y and W and J and F. The flight distance is 12,571 km (7,811 miles).

Arrival Windows

Best times to arrive for faster recovery

Best vs Worst Arrival Times in Kolkata

Best Arrival

7AM7PM

Morning light helps you stay awake longer

Worst Arrival

9PM5AM

Arriving during your body's sleep window makes adjustment harder

The difference:choosing the right arrival window can save 1–2+ days of recovery time.

Arrival Strategy for Kolkata

How to manage jetlag based on arrival time

Morning Arrival

Upon morning arrival, immediately expose yourself to sunlight and stay active. Consider a light breakfast to reset your internal clock and avoid heavy meals that might induce sleep.

Afternoon Arrival

Afternoon arrivals should minimize napping and instead engage in light activities. Stay hydrated and use strategic caffeine to maintain alertness through the initial adjustment period.

Evening Arrival

Evening arrivals should aim for a normal, light dinner and attempt to sleep according to local time, using minimal artificial light to encourage natural sleep adaptation.

Best Time to Visit Kolkata

Monthly climate overview

Tropical wet and dry

Jan

25°

13°

12mm

Feb

28°

15°

20mm

Mar

33°

19°

32mm

Apr

36°

23°

45mm

May

38°

26°

160mm

Jun

36°

27°

320mm

Jul

34°

26°

380mm

Aug

33°

26°

350mm

Sep

34°

25°

250mm

Oct

32°

22°

120mm

Nov

29°

17°

30mm

Dec

26°

14°

15mm

Jetlag Preparation

Before Flight

  • Start adjusting sleep schedule 2-3 days before departure
  • Stay well hydrated in the days before travel

During Flight

  • Stay hydrated - drink water regularly
  • Avoid excessive alcohol and caffeine
  • Try to sleep during the flight to arrive refreshed

After Arrival

  • Get morning sunlight to help reset your circadian rhythm
  • Avoid napping - stay awake until local bedtime
  • Consider melatonin supplements (consult your doctor)
  • Allow yourself 11 days to fully adjust

Airport Recovery Facilities

Jetlag-friendly amenities at each airport

SFO

Sleep Pods
Quiet Zones
Showers
Lounge Beds

Comfort: 6.5/10

Min connection: 45min

CCU

Sleep Pods
Quiet Zones
Showers
Lounge Beds

Comfort: 4.5/10

Top Airlines

Nonstop service on this route

AI
Air India
10:00Boeing 777-300ER16h 50m
AI
Air India
10:00Boeing 777-300ER16h 50m
AI
Air India
10:00Boeing 777-300ER16h 50m

Related Routes

Frequently Asked Questions

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More flights from San Francisco

Return & Connections

CCUSFO

Return flight jetlag analysis

Popular connections via:

San Francisco to Kolkata Jetlag Recovery Guide

11-hour timezone shift westbound · ~8.5 day recovery — departure timing tips, light exposure schedule, and day-by-day plan

See which flights minimize jetlag on this route

Compare schedules, check award seats, and optimize your arrival

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