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(CA) Air China 1257 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(PEK) Beijing Capital International Airport

Beijing, CN

(KRL) Korla Licheng Airport

Korla, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
49
84%
Late
2
3%
Very Late
3
5%
Excessive
4
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
39
Standard Deviation
36.2
Min
0
Max
118

CA 1257 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 85%
Average Delay Time 39 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 68% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 39 min
This flight has an average delay of 39 minutes with a standard deviation of 36.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.