BI422 SingaporeSIN · 12:10 Bandar Seri BegawanBWN
BI422 by Royal Brunei Airlines flies from Singapore (SIN) to Bandar Seri Begawan (BWN) for the Fri, Sep 11 departure.
en route from SIN to BWN
board checked 19m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 12:17 · typical taxi-out at SIN ≈ 9 min.
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 boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Singapore to Bandar Seri Begawan flights today
same route · Royal Brunei AirlinesIf BI422 is cancelled, these are the other Royal Brunei Airlines nonstop flights from Singapore to Bandar Seri Begawan on the same day, with scheduled departure times in SIN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BI422 actually runs
Pro Flight Search has tracked every published board update for BI422 across the SIN and BWN boards: schedule changes, gate pushes and actual clocks. Usually departs ~7 min late. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how BI422 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 BWN published them.
Planning around BI422? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — BI422 Singapore to Bandar Seri Begawan on-time performance, measured from the SIN and BWN airport boards.
https://proflightsearch.com/flight/BI422
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