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(AK) AirAsia 1521 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(SZX) Shenzhen Bao'an International Airport

Shenzhen, CN

(BKI) Kota Kinabalu International Airport

Kota Kinabalu, MY

On-Time Performance Chart

(using rounded numbers)
On-Time
34
60%
Late
9
16%
Very Late
1
2%
Excessive
12
21%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
34
Codeshares
0
Average Delay (min.)
45.88235294117647
Standard Deviation
52.8
Min
0
Max
186

AK 1521 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 60%
Average Delay Time 45.88235294117647 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 45.88235294117647 min
This flight has an average delay of 45.88235294117647 minutes with a standard deviation of 52.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.