Landed On Time
Departure: Wed, Jul 1, 2026
Scheduled:
09:20
|
Actual:
09:21
Terminal: 2 | Gate: F37
Arrival: Wed, Jul 1, 2026
Scheduled:
11:20
|
Actual:
11:04

BI 421 Flight Status & Schedule

Date Departure Arrival Status
Jul 01 09:21 11:04
Landed
Track >
Jun 30 09:19 10:59
Landed
Track >
Jun 29 09:19 10:58
Landed
Track >
Jun 28 09:34 11:18
Landed
Track >
Jun 27 09:35 11:15
Landed
Track >

Royal Brunei Airlines BI 421 Brunei to Singapore Flight Information

Royal Brunei Airlines Flight BI421 connects Brunei, Brunei to Singapore, Singapore, taking off from Brunei International Airport BWN and landing at Singapore Changi Airport SIN.

How long is the BI421 flight from Brunei to Singapore?

The average flight time from Brunei to Singapore is 1 hour and 42 minutes. The flight distance is 1278 km / 794 miles and the average flight speed is 746 km/h / 464 mph.

How many BI421 flights are operated per week?

6 flights per week. The flight BI421 is operated on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday.

What is the On-Time Performance (OTP) of Royal Brunei Airlines Flight BI421 Brunei to Singapore?

The Airportia On-Time Performance Rating for Royal Brunei Airlines Flight BI421 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight BI421 arriving at?

Flight BI421 arrives at Singapore Changi Airport (SIN) Terminal 2.

When was the latest BI421 flight?

The latest flight took off on Wednesday, July 1st, 2026 with the flight status being Landed on 11:04.

How else can the flight BI421 be referenced as?

This Royal Brunei Airlines flight can also be referenced as RBA421, BI0421, BI 421, RBA 421.

How often is flight BI421 delayed?

On average, 0% of all BI421 flights are delayed. The average delay is 0 minutes.

See our BI421 Flight Tracker above for more details.

BI421 and Brunei BWN to Singapore SIN Flights

Other flights departing from Brunei BWN: BI695, BI651, BI635, BI735

Other flights arriving at Singapore SIN: TG403, GA828, SQ991, MH627

All flights connecting Brunei BWN to Singapore SIN.

BI421 Royal Brunei Airlines Flight: Brunei to Singapore Route Map

BI421 Royal Brunei Airlines Flight Map: Brunei to Singapore
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.