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(WS) WestJet 5550 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-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
34
83%
Late
1
2%
Very Late
1
2%
Excessive
4
10%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
7
Codeshares
41
Average Delay (min.)
47.142857142857146
Standard Deviation
32
Min
0
Max
101

WS 5550 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 83%
Average Delay Time 47.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 47.142857142857146 min
This flight has an average delay of 47.142857142857146 minutes with a standard deviation of 32 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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