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(CZ) China Southern Airlines 8257 On-time Performance Rating

Date Range:

15-Aug-2018 to 15-Oct-2018

(SWA) Jieyang Chaoshan Airport

Jieyang, CN

(DYG) Zhangjiajie Hehua Airport

Dayong, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
14
70%
Late
1
5%
Very Late
0
0%
Excessive
4
20%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
105
Standard Deviation
93.1
Min
3
Max
226

CZ 8257 On-time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 70%
Average Delay Time 105 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-time Performance Rating
1.1 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 105 min
This flight has an average delay of 105 minutes with a standard deviation of 93.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.