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(ZH) Shenzhen Airlines 4039 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

(LZY) Nyingchi Mainling Airport

Nyingchi, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
46
78%
Late
2
3%
Very Late
0
0%
Excessive
9
15%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
23
Codeshares
59
Average Delay (min.)
58.26086956521739
Standard Deviation
67.4
Min
0
Max
177

ZH 4039 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 78%
Average Delay Time 58.26086956521739 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 58.26086956521739 min
This flight has an average delay of 58.26086956521739 minutes with a standard deviation of 67.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.