| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 19 | CCU | SFO | 04:20 | 07:00 |
Scheduled
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| Jul 18 | CCU | SFO | 04:41 | 07:22 |
Landed Late
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| Jul 17 | CCU | SFO | 05:23 | 08:15 |
Delayed
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| Jul 16 | CCU | SFO | 05:18 | 08:04 |
Delayed
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| Jul 15 | CCU | SFO | 05:11 | 08:08 |
Delayed
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| Jul 14 | CCU | SFO | 05:19 | 08:02 |
Delayed
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| Jul 13 | CCU | SFO | 04:59 | 07:43 |
Landed Late
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| Jul 12 | CCU | SFO | 04:53 | 07:38 |
Landed Late
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| Jul 11 | CCU | SFO | 04:32 | 07:28 |
Landed Late
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| Jul 10 | CCU | SFO | 07:10 | 09:34 |
Delayed
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Air India Flight AI173 connects Kolkata, India to San Francisco, United States, taking off from Kolkata International Airport CCU and landing at San Francisco International Airport SFO.
How long is the AI173 flight from Kolkata to San Francisco?
The average flight time from Kolkata to San Francisco is 15 hours and 15 minutes. The flight distance is 12578 km / 7815 miles and the average flight speed is 825 km/h / 513 mph.
How many AI173 flights are operated per week?
7 flights per week. The flight AI173 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Air India Flight AI173 Kolkata to San Francisco?
The Airportia On-Time Performance Rating for Air India Flight AI173 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AI173 arriving at?
Flight AI173 arrives at San Francisco International Airport (SFO) Terminal INTL.
When was the latest AI173 flight?
The latest flight took off on Sunday, July 19th, 2026 with the flight status being Scheduled on 07:00.
How else can the flight AI173 be referenced as?
This Air India flight can also be referenced as AIC173, AI0173, AI 173, AIC 173.
How often is flight AI173 delayed?
On average, 90% of all AI173 flights are delayed. The average delay is 61 minutes.
See our AI173 Flight Tracker above for more details.
Other flights departing from Kolkata CCU: EY221, QR541, QP1136, 6E344
Other flights arriving at San Francisco SFO: UA61, UA2, UA870, UA872
All flights connecting Kolkata CCU to San Francisco SFO.