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(ZH) Shenzhen Airlines 4309 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(KWE) Guiyang Longdongbao International Airport

Guiyang, CN

(YCU) Yuncheng Guangong Airport

Yuncheng, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
32
91%
Late
0
0%
Very Late
0
0%
Excessive
1
3%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
2
Codeshares
35
Average Delay (min.)
102.5
Standard Deviation
143.5
Min
0
Max
204

ZH 4309 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 91%
Average Delay Time 102.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 102.5 min
This flight has an average delay of 102.5 minutes with a standard deviation of 143.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.