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(WS) WestJet 6437 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
81%
Late
2
8%
Very Late
1
4%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
11
Codeshares
26
Average Delay (min.)
38.36363636363637
Standard Deviation
54.4
Min
0
Max
150

WS 6437 On-Time Performance Details

Overall Rating
3.1 of 5
Average
Percentage On-Time 81%
Average Delay Time 38.36363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 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 82% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 38.36363636363637 min
This flight has an average delay of 38.36363636363637 minutes with a standard deviation of 54.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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