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(AC) Air Canada 4277 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
11
18%
Very Late
4
6%
Excessive
2
3%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
34
Codeshares
61
Average Delay (min.)
18.176470588235293
Standard Deviation
18.5
Min
0
Max
87

AC 4277 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 71%
Average Delay Time 18.176470588235293 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 18.176470588235293 min
This flight has an average delay of 18.176470588235293 minutes with a standard deviation of 18.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 93% of other flights.