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(WS) WestJet 8639 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(YVR) Vancouver International Airport

Vancouver, BC, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
36
64%
Late
3
5%
Very Late
4
7%
Excessive
10
18%
Cancelled
1
2%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
24
Codeshares
54
Average Delay (min.)
130.58333333333334
Standard Deviation
250.6
Min
0
Max
822

WS 8639 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 67%
Average Delay Time 130.58333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 130.58333333333334 min
This flight has an average delay of 130.58333333333334 minutes with a standard deviation of 250.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.