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(BI) Royal Brunei Airlines 421 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(BWN) Brunei International Airport

Bandar Seri Begawan, BN

(SIN) Singapore Changi Airport

Singapore, SG

On-Time Performance Chart

(using rounded numbers)
On-Time
47
94%
Late
3
6%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
7.05
Standard Deviation
5.7
Min
0
Max
19

BI 421 On-Time Performance Details

Overall Rating
5.0 of 5
Very Good
Percentage On-Time 94%
Average Delay Time 7.05 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 5 shows that this flight has on-time performance characteristics better than 98% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 7.05 min
This flight has an average delay of 7.05 minutes with a standard deviation of 5.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.