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(AC) Air Canada 4021 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(YYC) Calgary International Airport

Calgary, AB, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
34
74%
Late
3
7%
Very Late
1
2%
Excessive
7
15%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
18
Codeshares
46
Average Delay (min.)
45.888888888888886
Standard Deviation
57.6
Min
0
Max
194

AC 4021 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 74%
Average Delay Time 45.888888888888886 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 45.888888888888886 min
This flight has an average delay of 45.888888888888886 minutes with a standard deviation of 57.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.