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(ZH) Shenzhen Airlines 4991 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(TFU) Chengdu Tianfu International Airport

Chengdu, CN

(PVG) Shanghai Pudong International Airport

Shanghai, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
50
89%
Late
3
5%
Very Late
0
0%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
11
Codeshares
56
Average Delay (min.)
32.36363636363637
Standard Deviation
35.4
Min
0
Max
115

ZH 4991 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 89%
Average Delay Time 32.36363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 32.36363636363637 min
This flight has an average delay of 32.36363636363637 minutes with a standard deviation of 35.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.