Royal Brunei Airlines BI421 Flight Status
According to Trip.com real-time data, the BI421 flight operated by Royal Brunei Airlines on Oct 23, 2026 is scheduled to fly from Bandar Seri Begawan (BWN) to Singapore (SIN). The flight is expected to depart at 9:20 AM and land at 11:07 AM .
Wed, Oct 21
Fri, Oct 23
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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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Scheduled
Your flight will depart on time.
2h
Check-in Counter
ROW B
Boarding Gate
6
Arrival Gate
F56L
Baggage
--
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Need a flight from Bandar Seri Begawan to Singapore?
Royal Brunei Airlines From €90
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Bandar Seri Begawan to Singapore or track other flights with our flight status tracker.
BI421 Aircraft Details
According to Trip.com real-time data, the BI421 flight flying from Bandar Seri Begawan to Singapore on 10/23/2026 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
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port
Seat Information
--
Legroom
43 cm
Seat width better than on 33% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
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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Flight History for BI421
Trip.com historical records show that the last BI421 flight departed on Wed, Oct 21 from BWN at approximately 9:32 AM. This flight is expected to arrrive in SIN at 11:17 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 16 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 9:34 AM | 11:24 AM | Arrived |
| Sat, Oct 17 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 9:34 AM | 11:25 AM | Arrived |
| Sun, Oct 18 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 9:39 AM | 11:26 AM | Arrived |
| Mon, Oct 19 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 9:30 AM | 11:18 AM | Arrived |
| Tue, Oct 20 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 9:08 AM | 10:52 AM | Arrived |
| Wed, Oct 21 | Bandar Seri Begawan (BWN) | Singapore (SIN) | 788 | 9:32 AM | 11:17 AM | Arrived |
| Fri, Oct 23 | Bandar Seri Begawan (BWN) | Singapore (SIN) | A20N | 9:20 AM | 11:07 AM | Scheduled |
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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
%
Canceled
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
%
Canceled
0
%
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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 9:20 AM, arrival 11:20 AM (updated Oct 23, 2026).Is flight bi421 on time today?
Flight bi421 has not departed yet and is currently on schedule. Scheduled departure is 9:20 AM, with arrival at 11:20 AM. 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 9:20 AM. The latest actual or estimated departure time is 9:20 AM, and the current status is Scheduled (updated Oct 23, 2026).When is flight bi421 scheduled to arrive?
Flight bi421 is scheduled to arrive at 11:20 AM. The latest estimated or actual arrival time is 11:07 AM. Status is Scheduled as of Oct 23, 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 Friday.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 Oct 23, 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 9:20 AM.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 11:07
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