Royal Brunei Airlines BI421 Flight Status
According to Trip.com’s latest update for Royal Brunei Airlines flight BI421 from Bandar Seri Begawan to Singapore (BWN–SIN): Flight BI421 has safely landed at Singapore Changi Airport (SIN) at 11:17 (local time). Arrival was about 3m early.
Wed, Oct 21
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Arrived
The flight has arrived 3m early
2h
Check-in Counter
ROW B
Boarding Gate
1
Arrival Gate
F58
Baggage
37
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BI421 Aircraft Details
According to Trip.com real-time data, the BI421 flight flying from Bandar Seri Begawan to Singapore on 10/22/2026 is operated by the aircraft model Airbus A320-212. This aircraft has been in service for 8y, 4m. The aircraft is equipped with 150 seats.
Airbus A320-212
Punctuality (Departure)
93
%
Punctuality (Arrival)
97
%
Early on average
3 minutes
Age
8y, 4m
Seats
150
Flight Distance
--
Economy
Business
In-Flight Services
None
On-demand entertainment
Wi-Fi is unavailable
USB port and power outlet
Seat Information
--
Legroom
43 cm
Seat width better than on 33% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi is unavailable
USB port and power outlet
Seat Information
107 cm
Legroom
58 cm
Seat width better than on 67% of flights
130°
Reclining Angle
--
Seat layout example
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Recent Flight History for BI421
Check more records from Trip.com about BI421 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Oct 14 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:24 | 11:09 | Arrived |
| Fri, Oct 16 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:34 | 11:24 | Arrived |
| Sat, Oct 17 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:34 | 11:25 | Arrived |
| Sun, Oct 18 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:39 | 11:26 | Arrived |
| Mon, Oct 19 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:30 | 11:18 | Arrived |
| Tue, Oct 20 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 09:08 | 10:52 | Arrived |
| Wed, Oct 21 | Bandar Seri Begawan (BWN) | Singapore (SIN) | 788 | 09:32 | 11:17 | Arrived |
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BI421 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of BI421 is 93% (Late on average 10 minutes), and the on-time arrival rate is 97% (Early on average 3 minutes).
On-Time Departures
Punctuality
93
%
Late on average
10 minutes
Early
10
%
On time
83
%
30 mins late
7
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
3 minutes
Early
73
%
On time
23
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Frequently Asked Questions
What is the current status of flight bi421?
Flight bi421 has arrived (status: Arrived). Actual arrival 11:17 (updated Oct 22, 2026).Is flight bi421 on time today?
Flight bi421 has arrived (status: Arrived). Actual arrival was 11:17; follow airport screens for the baggage carousel.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 09:32, and the current status is Arrived (updated Oct 22, 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 11:17. Status is Arrived as of Oct 22, 2026.What is the baggage carousel number for flight bi421?
After arrival, baggage for flight bi421 is expected at carousel 37 in terminal T2. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.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 Thursday.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 (Arrived, updated Oct 22, 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 already left Bandar Seri Begawan and completed its journey. Departure was 09:32; actual arrival 11:17.
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