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(CA) Air China 851 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(PEK) Beijing Capital International Airport

Beijing, CN

(LGW) London Gatwick Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
10
67%
Late
1
7%
Very Late
3
20%
Excessive
1
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
42.875
Standard Deviation
63.8
Min
0
Max
197

CA 851 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 67%
Average Delay Time 42.875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 17% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 42.875 min
This flight has an average delay of 42.875 minutes with a standard deviation of 63.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.