What is the current status of flight bi421?

Flight bi421 has arrived (status: Arrived). Actual arrival 11:14 (updated Sep 21, 2026).

Is flight bi421 on time today?

Flight bi421 has arrived (status: Arrived). Actual arrival was 11:14; 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 09:26, and the current status is Arrived (updated Sep 21, 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 11:14. Status is Arrived as of Sep 21, 2026.

What is the baggage carousel number for flight bi421?

After arrival, baggage for flight bi421 is expected at carousel 33 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 Monday.

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 Sep 21, 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 09:26; actual arrival 11:14.

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.

Royal Brunei Airlines

BI421 Flight Status

According to the latest from Trip.com for Royal Brunei Airlines Flight BI421 from Bandar Seri Begawan to Singapore (BWN–SIN): Great news — Flight BI421 has landed safely at Singapore Changi Airport (SIN) at 11:14 local time, arriving about 6m early.

Sun, Sep 20

Mon, Sep 21

BWN-SIN

Access more flight status info on the Trip.com app

Arrived

The flight has arrived 11m early

Bandar Seri Begawan(BWN)

09:27

Scheduled: 09:20, Sep 20

Brunei International Airport

Singapore(SIN)

11:09

Scheduled: 11:20, Sep 20

Singapore Changi Airport T2

Check-in Counter

ROW B

Boarding Gate

Arrival Gate

F60

Baggage

BWN-SIN

Access more flight status info on the Trip.com app

Arrived

The flight has arrived 6m early

Bandar Seri Begawan(BWN)

09:26

Scheduled: 09:20, Sep 21

Brunei International Airport

Singapore(SIN)

11:14

Scheduled: 11:20, Sep 21

Singapore Changi Airport T2

Check-in Counter

ROW B

Boarding Gate

Arrival Gate

Baggage

Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.

Trip.com

Flights

BI421

Track the Previous Flight Status: Delayed (may impact connections)

BI856

Kuching (KCH)

Bandar Seri Begawan (BWN)

Scheduled: 22:55

2h 22m late

fake text

BI421 Aircraft Details

According to Trip.com real-time data, the BI421 flight flying from Bandar Seri Begawan to Singapore on 9/21/2026 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)

93%

Early on average

6 minutes

Age

8y, 4m

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 50% 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 50% of flights

130°

Reclining Angle

2-2

Seat layout example

Flight History for BI421

Trip.com historical records show that the last BI421 flight departed on Sun, Sep 20 from BWN at approximately 09:27. This flight is expected to arrrive in SIN at 11:09.

Date	Airport		Aircraft Model	Departure	Arrival	Status
Date	Departure	Arrival	Aircraft Model	Departure	Arrival	Status
Mon, Sep 14	Bandar Seri Begawan (BWN)	Singapore (SIN)	A20N	09:30	11:14	Arrived
Tue, Sep 15	Bandar Seri Begawan (BWN)	Singapore (SIN)	788	09:19	11:08	Arrived
Wed, Sep 16	Bandar Seri Begawan (BWN)	Singapore (SIN)	788	10:07	11:52	Arrived
Fri, Sep 18	Bandar Seri Begawan (BWN)	Singapore (SIN)	A20N	09:20	11:04	Arrived
Sat, Sep 19	Bandar Seri Begawan (BWN)	Singapore (SIN)	A20N	09:23	11:08	Arrived
Sun, Sep 20	Bandar Seri Begawan (BWN)	Singapore (SIN)	A20N	09:27	11:09	Arrived
Mon, Sep 21	Bandar Seri Begawan (BWN)	Singapore (SIN)	A20N	09:26	11:14	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 11 minutes), and the on-time arrival rate is 93% (Early on average 6 minutes).

On-Time Departures

Punctuality

93%

Late on average 11 minutes

Early

10%

On time

83%

30 mins late

60 mins late

90 mins late

Canceled

On-Time Arrivals

Punctuality

93%

Early on average 6 minutes

Early

87%

On time

30 mins late

60 mins late

90 mins late

Canceled

Cheap return flights to Bandar Seri Begawan

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Frequently Asked Questions

What is the current status of flight bi421?
Flight bi421 has arrived (status: Arrived). Actual arrival 11:14 (updated Sep 21, 2026).
Is flight bi421 on time today?
Flight bi421 has arrived (status: Arrived). Actual arrival was 11:14; 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 09:26, and the current status is Arrived (updated Sep 21, 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 11:14. Status is Arrived as of Sep 21, 2026.
What is the baggage carousel number for flight bi421?
After arrival, baggage for flight bi421 is expected at carousel 33 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 Monday.
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 Sep 21, 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 09:26; actual arrival 11:14.
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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Arrival Info: Singapore Weather & Current Time

Intermittent clouds

27°C - 33°C

Weather forecast for your arrival day

0 hour time difference

Time on arrival: Bandar Seri Begawan 11:14| Singapore 11:14

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