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(ZH) Shenzhen Airlines 4520 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(JJN) Quanzhou Jinjiang International Airport

Jinjiang, CN

(CTU) Chengdu Shuangliu International Airport

Chengdu, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
40
77%
Late
5
10%
Very Late
3
6%
Excessive
1
2%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
19
Codeshares
52
Average Delay (min.)
23.894736842105264
Standard Deviation
33.6
Min
0
Max
153

ZH 4520 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 77%
Average Delay Time 23.894736842105264 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 23.894736842105264 min
This flight has an average delay of 23.894736842105264 minutes with a standard deviation of 33.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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