background

(WS) WestJet 8217 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
40%
Late
1
20%
Very Late
2
40%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
4
Codeshares
5
Average Delay (min.)
23.25
Standard Deviation
16.7
Min
0
Max
38

WS 8217 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 40%
Average Delay Time 23.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 40%
This flight has an on-time performance of 40%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 23.25 min
This flight has an average delay of 23.25 minutes with a standard deviation of 16.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

Other Stops for WS 8217