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(ZH) Shenzhen Airlines 4039 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

(LZY) Nyingchi Mainling Airport

Nyingchi, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
47
80%
Late
6
10%
Very Late
0
0%
Excessive
3
5%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
43
Codeshares
59
Average Delay (min.)
15
Standard Deviation
26
Min
0
Max
144

ZH 4039 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 80%
Average Delay Time 15 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 15 min
This flight has an average delay of 15 minutes with a standard deviation of 26 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 98% of other flights.