AI173

For travellers

Departure · New Delhi (DEL)

Terminal T3 · Gate 24

Scheduled 03:10 · Departed 03:30 · +20 min

Board status: Departed

Airborne since 03:30 (ADS-B)

Arrival · San Francisco (SFO)

Terminal ITM · Gate G13 · Baggage belt CL2

Scheduled 07:00 · Estimated 06:36 · early

Board status: On time

Landed 01 Oct 22:16 (estimated)

Board data from delhi, sfo, updated 63 min ago; times local to each airport.

Flight

Status

Incomplete (signal lost)

Departure

Indira Gandhi International Airport (DEL) — New Delhi, India

Scheduled departure

2026-10-01 21:40 UTC

Departed

2026-10-01 22:00 UTC

Arrival

San Francisco International Airport (SFO) — San Francisco, United States (scheduled)

Scheduled arrival

2026-10-02 14:00 UTC

Estimated arrival

2026-10-02 13:36 UTC

Distance flown

6909 km

Straight-line distance

12381 km

Aircraft

Registration

VT-ALK

Type

Boeing 777-300ER

Seats

342 total (303 Economy, 35 Business, 4 First)

Altitude & speed

Max altitude

33,100 ft

Max ground speed

615 kt

Tracked

7h 16m · 6,902 km

Altitude (ft, max 33,100)

Ground speed (kt, max 615)

Altitude (ft, max 33,100)

Ground speed (kt, max 615)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-01 22:00 UTC	AIC173	DEL → SFO New Delhi → San Francisco	VT-ALK	Boeing 777-300ER	Incomplete (signal lost)	~14797 km est. (6909 km recorded)
2026-09-30 22:35 UTC	AIC173	DEL → SFO New Delhi → San Francisco	VT-ALM	Boeing 777-300ER	Completed (landing confirmed by airport data)	~14956 km est. (7075 km recorded)
2026-09-29 23:09 UTC	AIC173	CCU → SFO Kolkata → San Francisco	VT-ALR	Boeing 777-300ER	Completed (landing confirmed by airport data)	~13685 km est. (5753 km recorded)
2026-09-29 19:32 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALR	Boeing 777-300ER	Completed	1378 km
2026-09-28 19:38 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALM	Boeing 777-300ER	Completed	1395 km
2026-09-27 18:50 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALN	Boeing 777-300ER	Completed	1334 km
2026-09-26 19:10 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALK	Boeing 777-300ER	Completed	1367 km
2026-09-25 19:12 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALN	Boeing 777-300ER	Completed	1368 km
2026-09-24 18:51 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALS	Boeing 777-300ER	Completed	1350 km
2026-09-23 18:53 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALR	Boeing 777-300ER	Completed	1408 km
2026-09-22 19:08 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALK	Boeing 777-300ER	Completed	1372 km
2026-09-21 18:55 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALL	Boeing 777-300ER	Completed	1377 km
2026-09-20 19:01 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALX	Boeing 777-300ER	Completed	1349 km
2026-09-19 18:58 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALK	Boeing 777-300ER	Completed	1449 km
2026-09-18 19:15 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALO	Boeing 777-300ER	Completed	1431 km
2026-09-17 19:08 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALQ	Boeing 777-300ER	Completed	1484 km
2026-09-16 18:55 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALO	Boeing 777-300ER	Completed	1426 km
2026-09-15 19:05 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALS	Boeing 777-300ER	Completed	1450 km
2026-09-14 19:07 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALK	Boeing 777-300ER	Completed	1382 km
2026-09-13 19:07 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALS	Boeing 777-300ER	Completed	1380 km
2026-09-12 18:57 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALR	Boeing 777-300ER	Completed	1447 km
2026-09-11 19:29 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALQ	Boeing 777-300ER	Completed	1438 km
2026-09-10 19:50 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALR	Boeing 777-300ER	Completed	1442 km
2026-09-09 18:57 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALP	Boeing 777-300ER	Completed	1534 km
2026-09-07 19:22 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALX	Boeing 777-300ER	Completed	1485 km
2026-09-06 18:52 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALQ	Boeing 777-300ER	Completed	1447 km
2026-09-05 18:53 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALM	Boeing 777-300ER	Completed	1465 km
2026-09-04 18:50 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALO	Boeing 777-300ER	Completed	1346 km
2026-09-03 18:54 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALU	Boeing 777-300ER	Completed	1435 km
2026-09-02 18:52 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALJ	Boeing 777-300ER	Completed	1459 km
2026-09-01 18:59 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALU	Boeing 777-300ER	Completed	1515 km
2026-08-31 19:23 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALO	Boeing 777-300ER	Completed	1492 km
2026-08-30 19:09 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALS	Boeing 777-300ER	Completed	1467 km
2026-08-29 19:00 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALP	Boeing 777-300ER	Completed	1430 km
2026-08-28 18:56 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALQ	Boeing 777-300ER	Completed	1484 km
2026-08-27 18:53 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALS	Boeing 777-300ER	Completed	1470 km
2026-08-26 19:09 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALU	Boeing 777-300ER	Completed	1465 km
2026-08-25 19:37 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALQ	Boeing 777-300ER	Completed (landing presumed)	1393 km
2026-08-24 19:17 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALP	Boeing 777-300ER	Completed (landing presumed)	1508 km
2026-08-23 21:04 UTC	AIC173	DEL → CCU New Delhi → Kolkata	VT-ALS	Boeing 777-300ER	Completed	1485 km