SQ9031 San FranciscoSFO · 22:35 SingaporeSIN · 06:00
SQ9031 by Singapore Airlines flies from San Francisco (SFO) to Singapore (SIN).
scheduled from SFO
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO and SIN 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.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Singapore flights today
same route · Singapore AirlinesIf SQ9031 is cancelled, these are the other Singapore Airlines nonstop flights from San Francisco to Singapore on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How SQ9031 actually runs
Pro Flight Search has tracked every published board update for SQ9031 across the SFO and SIN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~74 min) but landed heavily delayed (~53 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how SQ9031 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: 9V-SJC.
Board clocks recorded as SFO and SIN published them.
Planning around SQ9031? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — SQ9031 San Francisco to Singapore on-time performance, measured from the SFO and SIN airport boards.
https://proflightsearch.com/flight/SQ9031
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