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(WS) WestJet 1551 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(YYC) Calgary International Airport

Calgary, AB, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
29
83%
Late
1
3%
Very Late
2
6%
Excessive
1
3%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
16.88888888888889
Standard Deviation
17.9
Min
0
Max
52

WS 1551 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 83%
Average Delay Time 16.88888888888889 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very 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 96% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 16.88888888888889 min
This flight has an average delay of 16.88888888888889 minutes with a standard deviation of 17.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.