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(WS) WestJet 5581 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
79%
Late
5
12%
Very Late
1
2%
Excessive
3
7%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
26
Codeshares
42
Average Delay (min.)
33.07692307692308
Standard Deviation
100
Min
0
Max
517

WS 5581 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 79%
Average Delay Time 33.07692307692308 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. 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
3.5 of 5
Average
Average Delay Time 33.07692307692308 min
This flight has an average delay of 33.07692307692308 minutes with a standard deviation of 100 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.