BI4 LondonLHR · 16:55 Bandar Seri BegawanBWN
BI4 by Royal Brunei Airlines flies from London (LHR) to Bandar Seri Begawan (BWN).
scheduled from LHR
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 operation0 cancelled · 7 operations tracked
The route today
live boardsTomorrow on this route
ForecastLondon to Bandar Seri Begawan with Royal Brunei Airlines · Sun 1 Nov, local date
- Chance a departure is cancelled
- 0.3%0.5× usual
- Chance a departure leaves 60+ min late
- 5.4%0.9× usual
Forecast weather: 58% chance of fog at London
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · 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.
How BI4 actually runs
Pro Flight Search has tracked every published board update for BI4 across the LHR and BWN boards: schedule changes, gate pushes and actual clocks. Usually departs ~35 min late. Based on 7 confirmed departures · 1/7 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how BI4 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 LHR and BWN published them.
Planning around BI4? 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: BI4 London to Bandar Seri Begawan on-time performance, measured from the LHR and BWN airport boards.
https://proflightsearch.com/flight/BI4
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