background

(KY) Kunming Airlines 8251 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(KMG) Kunming Changshui International Airport

Kunming, CN

(XIY) Xi'an Xianyang International Airport

Xian, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
52
85%
Late
4
7%
Very Late
2
3%
Excessive
0
0%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
0
Average Delay (min.)
9.617647058823529
Standard Deviation
8.7
Min
0
Max
38

KY 8251 On-Time Performance Details

Overall Rating
5.0 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 9.617647058823529 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
4.9 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
5.0 of 5
Very Good
Average Delay Time 9.617647058823529 min
This flight has an average delay of 9.617647058823529 minutes with a standard deviation of 8.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 100% of other flights.