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(NH) ANA 521 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ITM) Osaka Itami International Airport

Osaka, JP

(KMJ) Kumamoto Airport

Kumamoto, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
49
79%
Late
3
5%
Very Late
1
2%
Excessive
1
2%
Cancelled
7
11%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
19
Codeshares
43
Average Delay (min.)
12.736842105263158
Standard Deviation
22.5
Min
0
Max
100

NH 521 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 80%
Average Delay Time 12.736842105263158 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 12.736842105263158 min
This flight has an average delay of 12.736842105263158 minutes with a standard deviation of 22.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.