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(NH) ANA 521 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(ITM) Osaka Itami International Airport

Osaka, JP

(KMJ) Kumamoto Airport

Kumamoto, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
49
80%
Late
2
3%
Very Late
1
2%
Excessive
3
5%
Cancelled
5
8%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
21
Codeshares
61
Average Delay (min.)
15.428571428571429
Standard Deviation
19.3
Min
0
Max
62

NH 521 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 80%
Average Delay Time 15.428571428571429 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
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 66% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 15.428571428571429 min
This flight has an average delay of 15.428571428571429 minutes with a standard deviation of 19.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.