background

(ZH) Shenzhen Airlines 4019 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

(KRL) Korla Licheng Airport

Korla, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
52
95%
Late
0
0%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
14
Codeshares
55
Average Delay (min.)
16.928571428571427
Standard Deviation
27.2
Min
0
Max
88

ZH 4019 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 95%
Average Delay Time 16.928571428571427 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. 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
4.4 of 5
Good
Average Delay Time 16.928571428571427 min
This flight has an average delay of 16.928571428571427 minutes with a standard deviation of 27.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.