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(WS) WestJet 8420 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
88%
Late
1
2%
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
41
Total Delays ( > 1 min )
8
Codeshares
41
Average Delay (min.)
67.75
Standard Deviation
91.9
Min
0
Max
248

WS 8420 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 88%
Average Delay Time 67.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. 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
0.1 of 5
Very Poor
Average Delay Time 67.75 min
This flight has an average delay of 67.75 minutes with a standard deviation of 91.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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