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(AC) Air Canada 6821 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(ZRH) Zurich Airport

Zurich, CH

(YUL) Montreal-Trudeau International Airport

Montreal, QC, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
16
36%
Late
7
16%
Very Late
7
16%
Excessive
13
30%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
39
Codeshares
44
Average Delay (min.)
34.51282051282051
Standard Deviation
31
Min
0
Max
159

AC 6821 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 36%
Average Delay Time 34.51282051282051 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 36%
This flight has an on-time performance of 36%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34.51282051282051 min
This flight has an average delay of 34.51282051282051 minutes with a standard deviation of 31 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.