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(WS) WestJet 8541 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(PDX) Portland International Airport

Portland, OR, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
86%
Late
1
5%
Very Late
0
0%
Excessive
1
5%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
6
Codeshares
22
Average Delay (min.)
17.166666666666668
Standard Deviation
21.2
Min
0
Max
58

WS 8541 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 86%
Average Delay Time 17.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 17.166666666666668 min
This flight has an average delay of 17.166666666666668 minutes with a standard deviation of 21.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.