SQ831 ShanghaiPVG · 14:30 SingaporeSIN · 20:20
SQ831 by Singapore Airlines flies from Shanghai (PVG) to Singapore (SIN) for the Tue, Aug 18 departure.
departs PVG · on schedule
board checked 28m ago · checking again in 45s
⚖ SQ831 typically leaves +41 and lands −31. The air wins minutes back.Where the minutes go
last 7 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 −31 min · 1 cancelled · 16 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PVG 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 Shanghai to Singapore flights today
same route · Singapore AirlinesIf SQ831 is cancelled, these are the other Singapore Airlines nonstop flights from Shanghai to Singapore on the same day, with scheduled departure times in PVG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How SQ831 actually runs
Pro Flight Search has tracked every published board update for SQ831 across the PVG and SIN boards: schedule changes, gate pushes and actual clocks. Usually lands ~31 min early. Based on 12 confirmed landings · 12/12 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 SQ831 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as PVG and SIN published them.
Planning around SQ831? 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 — SQ831 Shanghai to Singapore on-time performance, measured from the PVG and SIN airport boards.
https://proflightsearch.com/flight/SQ831
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