background

(WS) WestJet 8491 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-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
30
71%
Late
4
10%
Very Late
3
7%
Excessive
5
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
17
Codeshares
42
Average Delay (min.)
45.05882352941177
Standard Deviation
52.1
Min
0
Max
192

WS 8491 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 71%
Average Delay Time 45.05882352941177 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
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 46% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 45.05882352941177 min
This flight has an average delay of 45.05882352941177 minutes with a standard deviation of 52.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

Other Stops for WS 8491