(WS) WestJet 8251 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-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

67%

Late

Very Late

Excessive

33%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

21.333333333333332

Standard Deviation

23.1

Min

Max

WS 8251 On-Time Performance Details

Overall Rating

2.7 of 5

Average

Percentage On-Time 67%

Average Delay Time 21.333333333333332 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.

On-Time Performance Rating

1.9 of 5

Average

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 38% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 21.333333333333332 min

This flight has an average delay of 21.333333333333332 minutes with a standard deviation of 23.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.