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(AC) Air Canada 855 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(LHR) London Heathrow Airport

London, EN, GB

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
48
79%
Late
5
8%
Very Late
3
5%
Excessive
2
3%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
19.772727272727273
Standard Deviation
24.1
Min
0
Max
93

AC 855 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 79%
Average Delay Time 19.772727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 19.772727272727273 min
This flight has an average delay of 19.772727272727273 minutes with a standard deviation of 24.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.