background

(CA) Air China 1257 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(PEK) Beijing Capital International Airport

Beijing, CN

(KRL) Korla Licheng Airport

Korla, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
44
72%
Late
9
15%
Very Late
4
7%
Excessive
3
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
0
Average Delay (min.)
21.529411764705884
Standard Deviation
25
Min
0
Max
137

CA 1257 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 72%
Average Delay Time 21.529411764705884 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 21.529411764705884 min
This flight has an average delay of 21.529411764705884 minutes with a standard deviation of 25 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.