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(WS) WestJet 8581 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(LAX) Los Angeles International Airport

Los Angeles, CA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
87%
Late
2
5%
Very Late
0
0%
Excessive
3
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
13
Codeshares
39
Average Delay (min.)
19.153846153846153
Standard Deviation
22.3
Min
0
Max
59

WS 8581 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 87%
Average Delay Time 19.153846153846153 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 19.153846153846153 min
This flight has an average delay of 19.153846153846153 minutes with a standard deviation of 22.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.