background

(CA) Air China 7221 On-time Performance Rating

Date Range:

01-Jan-2019 to 28-Feb-2019

(BOS) Logan International Airport

Boston, MA, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
85%
Late
3
5%
Very Late
0
0%
Excessive
4
7%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
18
Codeshares
58
Average Delay (min.)
43
Standard Deviation
83.7
Min
0
Max
315

CA 7221 On-time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 86%
Average Delay Time 43 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 54% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. 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
0.6 of 5
Poor
Average Delay Time 43 min
This flight has an average delay of 43 minutes with a standard deviation of 83.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.