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(ZH) Shenzhen Airlines 4520 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(JJN) Quanzhou Jinjiang International Airport

Jinjiang, CN

(CTU) Chengdu Shuangliu International Airport

Chengdu, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
37
62%
Late
5
8%
Very Late
5
8%
Excessive
13
22%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
29
Codeshares
60
Average Delay (min.)
60.793103448275865
Standard Deviation
61.1
Min
0
Max
281

ZH 4520 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 62%
Average Delay Time 60.793103448275865 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 60.793103448275865 min
This flight has an average delay of 60.793103448275865 minutes with a standard deviation of 61.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.