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(WS) WestJet 5439 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
73%
Late
6
11%
Very Late
2
4%
Excessive
7
13%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
25
Codeshares
55
Average Delay (min.)
45.32
Standard Deviation
69.2
Min
0
Max
264

WS 5439 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 73%
Average Delay Time 45.32 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 45.32 min
This flight has an average delay of 45.32 minutes with a standard deviation of 69.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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