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(ZH) Shenzhen Airlines 9911 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SZX) Shenzhen Bao'an International Airport

Shenzhen, CN

(TAO) Qingdao Jiaodong International Airport

Qingdao, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
36
68%
Late
7
13%
Very Late
2
4%
Excessive
1
2%
Cancelled
7
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
36
Codeshares
0
Average Delay (min.)
12.805555555555555
Standard Deviation
12.5
Min
0
Max
60

ZH 9911 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 68%
Average Delay Time 12.805555555555555 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 53% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 12.805555555555555 min
This flight has an average delay of 12.805555555555555 minutes with a standard deviation of 12.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 99% of other flights.