(WS) WestJet 8534 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)

On-Time

71%

Late

14%

Very Late

Excessive

14%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

21.25

Standard Deviation

28.8

Min

Max

WS 8534 On-Time Performance Details

Overall Rating

3.2 of 5

Average

Percentage On-Time 71%

Average Delay Time 21.25 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.

On-Time Performance Rating

2.7 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 54% of other flights.

Delay Performance

3.6 of 5

Good

Average Delay Time 21.25 min

This flight has an average delay of 21.25 minutes with a standard deviation of 28.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.