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(ZH) Shenzhen Airlines 4520 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(JJN) Quanzhou Jinjiang International Airport

Jinjiang, CN

(CTU) Chengdu Shuangliu International Airport

Chengdu, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
39
66%
Late
8
14%
Very Late
4
7%
Excessive
5
8%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
25
Codeshares
59
Average Delay (min.)
37.44
Standard Deviation
42.4
Min
0
Max
153

ZH 4520 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 66%
Average Delay Time 37.44 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. 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
1.5 of 5
Poor
Average Delay Time 37.44 min
This flight has an average delay of 37.44 minutes with a standard deviation of 42.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.