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(CA) Air China 1521 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(PEK) Beijing Capital International Airport

Beijing, CN

(SHA) Shanghai Hongqiao International Airport

Shanghai, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
34
56%
Late
7
11%
Very Late
2
3%
Excessive
10
16%
Cancelled
8
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
27
Codeshares
0
Average Delay (min.)
45.888888888888886
Standard Deviation
47.9
Min
0
Max
179

CA 1521 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 56%
Average Delay Time 45.888888888888886 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 45.888888888888886 min
This flight has an average delay of 45.888888888888886 minutes with a standard deviation of 47.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.