AI173 New DelhiDEL · 03:29 San FranciscoSFO · 07:00
AI173 by Air India flies from New Delhi (DEL) to San Francisco (SFO).
scheduled from DEL
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −16 min · 2 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at DEL and SFO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at San Francisco
ForecastThu 29 Oct, local date
- Chance a departure is cancelled
- 0.4%usually 0.5%
- Chance a departure leaves 60+ min late
- 6.9%usually 7.4%
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 1,810 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New Delhi to San Francisco flights today
same route · Air IndiaIf AI173 is cancelled, this is the other Air India nonstop flight from New Delhi to San Francisco on the same day, with scheduled departure times in DEL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AI173 actually runs
Pro Flight Search has tracked every published board update for AI173 across the DEL and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AI173 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: VT-ALM, VT-ALJ, VT-ALP.
Board clocks recorded as DEL and SFO published them.
Planning around AI173? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — AI173 New Delhi to San Francisco on-time performance, measured from the DEL and SFO airport boards.
https://proflightsearch.com/flight/AI173
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