background

(WS) WestJet 5550 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
79%
Late
1
3%
Very Late
0
0%
Excessive
5
15%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
18
Codeshares
32
Average Delay (min.)
31.166666666666668
Standard Deviation
45.3
Min
0
Max
161

WS 5550 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 81%
Average Delay Time 31.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31.166666666666668 min
This flight has an average delay of 31.166666666666668 minutes with a standard deviation of 45.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

Other Stops for WS 5550