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(ZH) Shenzhen Airlines 1237 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(PEK) Beijing Capital International Airport

Beijing, CN

(HMI) Hami Airport

Hami, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
46
90%
Late
2
4%
Very Late
0
0%
Excessive
0
0%
Cancelled
3
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
5
Codeshares
51
Average Delay (min.)
13.6
Standard Deviation
12.4
Min
0
Max
27

ZH 1237 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 90%
Average Delay Time 13.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 13.6 min
This flight has an average delay of 13.6 minutes with a standard deviation of 12.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.