Royal Brunei Airlines
BI421 Flight Status (Bandar Seri Begawan to Singapore)
According to Trip.com real-time data, the BI421 flight operated by Royal Brunei Airlines on Sep 12, 2026 is scheduled to fly from Bandar Seri Begawan (BWN) to Singapore (SIN). The flight is expected to depart at 09:20 and land at 11:02 .
Fri, Sep 11
Sat, Sep 12
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Arrived
The flight has arrived 1m early
2h
Check-in Counter
ROW B
Boarding Gate
1
Arrival Gate
F52
Baggage
39
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Scheduled
Your flight will depart on time.
2h
Check-in Counter
ROW B
Boarding Gate
2
Arrival Gate
F35
Baggage
--
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
BI421 Aircraft Details and Cabin Information - Bandar Seri Begawan to Singapore on Royal Brunei Airlines
According to Trip.com real-time data, the BI421 flight flying from Bandar Seri Begawan to Singapore on 9/12/2026 is operated by the aircraft model Airbus A320-212. This aircraft has been in service for 8y, 1m. The aircraft is equipped with 150 seats.
Airbus A320-212
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
11 minutes
Age
8y, 1m
Seats
150
Flight Distance
--
Economy
Business
In-Flight Services
Meal included
Seatback entertainment system
Unknown
USB port
Seat Information
--
Legroom
43 cm
Seat width better than on 33% of flights
--
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Unknown
USB port and power outlet
Seat Information
107 cm
Legroom
58 cm
Seat width better than on 33% of flights
130°
Reclining Angle
2-2
Seat layout example
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BI421 Recent Flight History and Status - Royal Brunei Airlines
Trip.com historical records show that the last BI421 flight departed on Fri, Sep 11 from BWN at approximately 09:32. This flight is expected to arrrive in SIN at 11:19.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Sep 5 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:29 | 11:10 | Arrived |
| Sun, Sep 6 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:42 | 11:21 | Arrived |
| Mon, Sep 7 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:29 | 11:09 | Arrived |
| Tue, Sep 8 | Bandar Seri Begawan (BWN) | Singapore (SIN) | 788 | 09:15 | 10:52 | Arrived |
| Wed, Sep 9 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 11:05 | 12:47 | Arrived |
| Fri, Sep 11 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:32 | 11:19 | Arrived |
| Sat, Sep 12 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:20 | 11:02 | Scheduled |
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BI421 On-Time Performance, Departure, and Arrival Trends
Review BI421 on-time performance based on recent trips, including departure punctuality, arrival punctuality, average delays, and early arrival trends to better understand overall flight reliability. Based on the average performance of BI421 flight over the past 30 trips, the on-time departure rate of BI421 is 100% (Late on average 6 minutes), while the on-time arrival rate is 100% (Early on average 11 minutes).
On-Time Departures
Punctuality
100
%
Late on average
6 minutes
Early
13
%
On time
87
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
11 minutes
Early
93
%
On time
7
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
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Cheap return flights to Bandar Seri Begawan
-
Tue, Sep 22Singapore (SIN)Bandar Seri Begawan (BWN)
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One way13% offVND 3,417,000VND 2,980,000 -
Tue, Oct 6Singapore (SIN)Bandar Seri Begawan (BWN)
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Tue, Oct 20Singapore (SIN)Bandar Seri Begawan (BWN)
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One way8% offVND 3,417,000VND 3,158,000
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Wed, Sep 30Singapore (SIN)Bandar Seri Begawan (BWN)
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One way7% offVND 3,417,000VND 3,170,000
-
Tue, Oct 27Singapore (SIN)Bandar Seri Begawan (BWN)
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One way7% offVND 3,417,000VND 3,177,000
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Frequently Asked Questions
-
What is the current status of flight bi421?
Flight bi421 has not departed yet and is currently on schedule. Scheduled departure 09:20, arrival 11:20 (updated Sep 12, 2026). -
Is flight bi421 on time today?
Flight bi421 has not departed yet and is currently on schedule. Scheduled departure is 09:20, with arrival at 11:20. Recheck gate and timing before you head to the airport. -
Has flight bi421 departed yet? What is the departure time?
Flight bi421 is scheduled to depart at 09:20. The latest actual or estimated departure time is 09:20, and the current status is Scheduled (updated Sep 12, 2026). -
When is flight bi421 scheduled to arrive?
Flight bi421 is scheduled to arrive at 11:20. The latest estimated or actual arrival time is 11:02. Status is Scheduled as of Sep 12, 2026. -
What route does flight bi421 fly?
Flight bi421 is operated by Royal Brunei Airlines from Bandar Seri Begawan (BWN) to Singapore (SIN). Typical flight time is about 2 hours; operating days may include Saturday. -
How can I check real-time status for flight bi421?
Track flight bi421 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight bi421 is delayed or canceled, what should I do?
If bi421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 12, 2026). Contact Royal Brunei Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight bi421 departed from Bandar Seri Begawan?
Flight bi421 has not departed from Bandar Seri Begawan (BWN) yet and is currently on schedule for 09:20. -
What is the seat configuration for flight bi421?
Flight bi421 usually flies a Airbus A320-212 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Time on arrival: Bandar Seri Begawan 11:02
|
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