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(ZH) Shenzhen Airlines 4039 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

(LZY) Nyingchi Mainling Airport

Nyingchi, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
53
87%
Late
1
2%
Very Late
1
2%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
8
Codeshares
61
Average Delay (min.)
96.125
Standard Deviation
49.4
Min
0
Max
159

ZH 4039 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 87%
Average Delay Time 96.125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. 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
0.0 of 5
Very Poor
Average Delay Time 96.125 min
This flight has an average delay of 96.125 minutes with a standard deviation of 49.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.