SQ221 SingaporeSIN · 20:40 SydneySYD · 07:40
SQ221 by Singapore Airlines flies from Singapore (SIN) to Sydney (SYD).
scheduled from SIN
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SIN and SYD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow on this route
ForecastSingapore to Sydney with Singapore Airlines · Sat 31 Oct, local date
- Chance a departure is cancelled
- 0.4%0.8× usual
- Chance a departure leaves 60+ min late
- 1.9%1.1× usual
Forecast weather: 65% chance of thunder and 87% chance of rain at Singapore
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · 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 Singapore to Sydney flights today
same route · Singapore AirlinesIf SQ221 is cancelled, these are the other Singapore Airlines nonstop flights from Singapore to Sydney on the same day, with scheduled departure times in SIN local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How SQ221 actually runs
Pro Flight Search has tracked every published board update for SQ221 across the SIN and SYD boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 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 SQ221 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 SIN and SYD published them.
Planning around SQ221? 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: SQ221 Singapore to Sydney on-time performance, measured from the SIN and SYD airport boards.
https://proflightsearch.com/flight/SQ221
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