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AIC4174

SFO → CCU · Boeing 777-300ER · Air India

For travellers

Departure · San Francisco (SFO)

Terminal ITM · Gate A13
Scheduled 02 Oct 10:55 · Departed 02 Oct 10:51
Board status: Departed
Airborne since 02 Oct 11:12 (ADS-B)

Board data from sfo, updated 945 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-02 17:55 UTC
Departed
2026-10-02 18:12 UTC
Arrival
Netaji Subhash Chandra Bose International Airport (CCU) — Kolkata, India
Also flies as
AI4174
Distance flown
13603 km
Straight-line distance
12578 km
Approach distance
60 km

Aircraft

Registration
VT-ALK
Type
Boeing 777-300ER
Seats
342 total (303 Economy, 35 Business, 4 First)
CO2 (EMEP est., total)
993.5 t (6579 kg/pax Business, 7947 kg/pax First, 2417 kg/pax Economy)

Altitude & speed

Max altitude
38,000 ft
Max ground speed
514 kt
Tracked
16h 10m · 13,596 km
Altitude (ft, max 38,000)
020,52041,0400m2h 0m4h 0m6h 0m8h 0m10h 0m12h 0m14h 0m16h 0m
Ground speed (kt, max 514)
02785550m2h 0m4h 0m6h 0m8h 0m10h 0m12h 0m14h 0m16h 0m
Altitude (ft, max 38,000)
020,52041,0400m4h 0m8h 0m12h 0m16h 0m
Ground speed (kt, max 514)
02785550m4h 0m8h 0m12h 0m16h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Air India (AIC)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 18:12 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALK Boeing 777-300ER Completed 13603 km
2026-10-02 12:46 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALM Boeing 777-300ER Completed 1344 km
2026-10-01 18:27 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALM Boeing 777-300ER Completed 13484 km
2026-10-01 12:23 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALR Boeing 777-300ER Completed 1337 km
2026-09-30 18:42 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALR Boeing 777-300ER Completed 13339 km
2026-09-30 12:13 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALM Boeing 777-300ER Completed 1344 km
2026-09-29 18:41 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALM Boeing 777-300ER Completed 13796 km
2026-09-29 11:49 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALN Boeing 777-300ER Completed 1340 km
2026-09-28 18:40 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALN Boeing 777-300ER Completed 13297 km
2026-09-27 18:41 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALK Boeing 777-300ER Completed 13625 km
2026-09-27 12:18 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALN Boeing 777-300ER Completed 1420 km
2026-09-26 18:35 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALN Boeing 777-300ER Completed 13567 km
2026-09-26 12:36 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALS Boeing 777-300ER Completed 1399 km
2026-09-25 19:20 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALS Boeing 777-300ER Completed 13700 km
2026-09-25 14:55 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALR Boeing 777-300ER Completed 1421 km
2026-09-24 20:50 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALR Boeing 777-300ER Completed 13665 km
2026-09-24 12:57 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALK Boeing 777-300ER Completed 1403 km
2026-09-23 19:15 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALK Boeing 777-300ER Completed 13202 km
2026-09-23 12:21 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALL Boeing 777-300ER Completed 1385 km
2026-09-22 18:40 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALL Boeing 777-300ER Completed 13313 km
2026-09-22 12:00 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALX Boeing 777-300ER Completed 1340 km
2026-09-21 17:48 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALX Boeing 777-300ER Completed 13234 km
2026-09-21 12:19 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALK Boeing 777-300ER Completed 1385 km
2026-09-20 18:56 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALK Boeing 777-300ER Completed 13474 km
2026-09-20 12:22 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALO Boeing 777-300ER Completed 1466 km
2026-09-19 18:31 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALO Boeing 777-300ER Completed 13538 km
2026-09-19 12:10 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALQ Boeing 777-300ER Completed (landing confirmed by airport data) 1400 km
2026-09-18 18:49 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALQ Boeing 777-300ER Completed 13524 km
2026-09-18 12:11 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALO Boeing 777-300ER Completed 1428 km
2026-09-17 18:54 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALO Boeing 777-300ER Completed 13509 km
2026-09-17 12:27 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALS Boeing 777-300ER Completed 1454 km
2026-09-16 18:29 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALS Boeing 777-300ER Completed 13629 km
2026-09-16 12:45 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALK Boeing 777-300ER Completed (landing confirmed by airport data) 1469 km
2026-09-15 18:44 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALK Boeing 777-300ER Completed 13407 km
2026-09-15 12:27 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALS Boeing 777-300ER Completed 1535 km
2026-09-14 17:52 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALS Boeing 777-300ER Completed 13620 km
2026-09-13 18:57 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALR Boeing 777-300ER Completed 13759 km
2026-09-13 12:56 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALQ Boeing 777-300ER Completed 1502 km
2026-09-12 18:14 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALQ Boeing 777-300ER Completed 13901 km
2026-09-12 12:11 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALR Boeing 777-300ER Completed 1420 km
2026-09-11 17:58 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALR Boeing 777-300ER Completed 13419 km
2026-09-11 12:35 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALP Boeing 777-300ER Completed 1632 km
2026-09-10 18:57 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALP Boeing 777-300ER Completed 13606 km
2026-09-10 13:37 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALJ Boeing 777-300ER Completed 1446 km
2026-09-09 20:16 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALJ Boeing 777-300ER Completed 13522 km
2026-09-09 12:09 UTC AIC4174 CCU → DEL
Kolkata → New Delhi
 VT-ALX Boeing 777-300ER Completed (landing confirmed by airport data) 1389 km
2026-09-08 02:59 UTC AIC4174 FAI → DEL
Fairbanks → New Delhi
 VT-ALQ Boeing 777-300ER Incomplete (signal lost) ~9029 km est. (1041 km recorded)
2026-09-07 17:59 UTC AIC4174 SFO → FAI
San Francisco → Fairbanks
 VT-ALQ Boeing 777-300ER Completed 3847 km
2026-09-06 19:08 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALM Boeing 777-300ER Completed 13305 km
2026-09-05 18:51 UTC AIC4174 SFO → CCU
San Francisco → Kolkata
 VT-ALO Boeing 777-300ER Completed 13708 km

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