background

(ZH) Shenzhen Airlines 1238 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(HMI) Hami Airport

Hami, CN

(PEK) Beijing Capital International Airport

Beijing, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
44
86%
Late
1
2%
Very Late
0
0%
Excessive
3
6%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
8
Codeshares
51
Average Delay (min.)
43.375
Standard Deviation
53.3
Min
0
Max
123

ZH 1238 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 86%
Average Delay Time 43.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 43.375 min
This flight has an average delay of 43.375 minutes with a standard deviation of 53.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.