(WS) WestJet 8790 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

58%

Late

16%

Very Late

10%

Excessive

13%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

32.23529411764706

Standard Deviation

27.9

Min

Max

101

WS 8790 On-Time Performance Details

Overall Rating

2.0 of 5

Average

Percentage On-Time 60%

Average Delay Time 32.23529411764706 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.

On-Time Performance Rating

0.5 of 5

Very Poor

Percentage On-Time 60%

This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 32.23529411764706 min

This flight has an average delay of 32.23529411764706 minutes with a standard deviation of 27.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.