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(AC) Air Canada 855 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-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
49
83%
Late
2
3%
Very Late
0
0%
Excessive
6
10%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
63.92307692307692
Standard Deviation
96
Min
0
Max
277

AC 855 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 85%
Average Delay Time 63.92307692307692 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 63.92307692307692 min
This flight has an average delay of 63.92307692307692 minutes with a standard deviation of 96 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.