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(WS) WestJet 8551 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
83%
Late
0
0%
Very Late
1
3%
Excessive
3
10%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
7
Codeshares
30
Average Delay (min.)
69.42857142857143
Standard Deviation
121.6
Min
0
Max
342

WS 8551 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 83%
Average Delay Time 69.42857142857143 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
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 76% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 69.42857142857143 min
This flight has an average delay of 69.42857142857143 minutes with a standard deviation of 121.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.