background

(WS) WestJet 8491 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(YVR) Vancouver International Airport

Vancouver, BC, CA

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
87%
Late
2
5%
Very Late
2
5%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
7
Codeshares
39
Average Delay (min.)
35.42857142857143
Standard Deviation
40.4
Min
0
Max
123

WS 8491 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 87%
Average Delay Time 35.42857142857143 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% 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 93% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 35.42857142857143 min
This flight has an average delay of 35.42857142857143 minutes with a standard deviation of 40.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

Other Stops for WS 8491