SQ638 SingaporeSIN · 23:55 TokyoNRT · 07:30
SQ638 by Singapore Airlines flies from Singapore (SIN) to Tokyo (NRT) for the Fri, Oct 30 departure.
arrived at NRT · 13 min late
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 NRT 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 Tokyo 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
- 1.6%1.5× usual
Forecast weather: 67% chance of thunder and 86% chance of rain at Singapore
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 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 Tokyo flights today
same route · Singapore AirlinesIf SQ638 is cancelled, this is the other Singapore Airlines nonstop flight from Singapore to Tokyo 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 SQ638 actually runs
Pro Flight Search has tracked every published board update for SQ638 across the SIN and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. 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 SQ638 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-SCG, 9V-SCU, 9V-SCD.
Board clocks recorded as SIN and NRT published them.
Planning around SQ638? 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: SQ638 Singapore to Tokyo on-time performance, measured from the SIN and NRT airport boards.
https://proflightsearch.com/flight/SQ638
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