BI4021 Royal Brunei Airlines - Flight Status
Below, you can find details about Royal Brunei Airlines flight BI4021, which currently operates between the airports of Bandar Seri Begawan - Brunei International Airport (Airport Code BWN) and Singapore - Singapore Changi Airport (Airport Code SIN).
This flight data pertains specifically to the flight's details for Wednesday, September 23, 2026.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights BI4021
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights BI4021
BI4021 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions. Flight Status
BI4021 Royal Brunei Airlines from Bandar Seri Begawan
Landed - On-time
Flight Status for Wednesday September 23, 2026
Landed - On-time
Flight Status for Wednesday September 23, 2026
Airline information
Royal Brunei Airlines
Equipment: Boeing 787-8
Departure
Bandar Seri Begawan (BWN)
September 22, 2026
Brunei International Airport
Departed at:
22:40
Terminal:
-
Gate:
-
Scheduled Departure Time: 22:30
Arrival
Singapore (SIN)
September 23, 2026
Singapore Changi Airport
Arrived at:
00:21
Terminal:
2
Gate:
-
Scheduled Arrival Time: 00:30
Disclaimer
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Additional Information
Which is the frequency of flight BI4021?
The flight BI4021 is currently not scheduled at Singapore Changi Airport (SIN).
Which is the distance of flight BI4021?
The distance between the two airports is 1279 kilometers.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
The flight BI4021 is currently not scheduled at Singapore Changi Airport (SIN).
Which is the distance of flight BI4021?
The distance between the two airports is 1279 kilometers.
Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.
Alternative Flights
The following airlines serves the same route between Bandar Seri Begawan and Singapore:
Royal Brunei Airlines
- Flight Number: BI421. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: BI423. (On Time performance: 97 - Average Delay: 2 minutes)
Singapore Airlines
- Flight Number: SQ147. (On Time performance: 78 - Average Delay: 8 minutes)
Royal Brunei Airlines
- Flight Number: BI421. (On Time performance: 96 - Average Delay: 2 minutes)
- Flight Number: BI423. (On Time performance: 97 - Average Delay: 2 minutes)
Singapore Airlines
- Flight Number: SQ147. (On Time performance: 78 - Average Delay: 8 minutes)
Punctuality and delays
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights BI4021
No flights for BI4021 were scheduled in the past month. The last flight took place on Wednesday, September 23, 2026