SQ401 New DelhiDEL · 10:00 SingaporeSIN · 18:00
SQ401 by Singapore Airlines flies from New Delhi (DEL) to Singapore (SIN).
scheduled from DEL
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
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by SIN (Singapore), currently flying MVFR (marginal visual). 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 Singapore
ForecastFri 30 Oct, local date
- 65% chance of thunder
- 88% chance of rain
- Chance a departure is cancelled
- 0.7%usually 0.6%
- Chance a departure leaves 60+ min late
- 3.5%usually 2.5%
Weather behind it: 65% chance of thunder and 88% chance of rain at Singapore; 77% chance of thunder and 95% chance of rain at Kuala Lumpur, where 7% of departures go; 56% chance of thunder at Jakarta, where 6% of departures go
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 490 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 Singapore flights today
same route · Singapore AirlinesIf SQ401 is cancelled, this is the other Singapore Airlines nonstop flight from New Delhi to Singapore 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 SQ401 actually runs
Pro Flight Search has tracked every published board update for SQ401 across the DEL and SIN boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how SQ401 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.
Board clocks recorded as DEL and SIN published them.
Planning around SQ401? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — SQ401 New Delhi to Singapore on-time performance, measured from the DEL and SIN airport boards.
https://proflightsearch.com/flight/SQ401
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