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(WS) WestJet 8351 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(MFR) Rogue Valley International-Medford Airport

Medford, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
79%
Late
1
2%
Very Late
2
4%
Excessive
7
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
16
Codeshares
47
Average Delay (min.)
38.5
Standard Deviation
30.4
Min
0
Max
106

WS 8351 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 79%
Average Delay Time 38.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
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 54% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 38.5 min
This flight has an average delay of 38.5 minutes with a standard deviation of 30.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.