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(AC) Air Canada 4987 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(SJO) Juan Santamaria International Airport

San Jose, CR

On-Time Performance Chart

(using rounded numbers)
On-Time
48
79%
Late
5
8%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
17
Codeshares
59
Average Delay (min.)
34.76470588235294
Standard Deviation
37.1
Min
0
Max
144

AC 4987 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 81%
Average Delay Time 34.76470588235294 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
3.9 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 34.76470588235294 min
This flight has an average delay of 34.76470588235294 minutes with a standard deviation of 37.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.