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(WS) WestJet 6591 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
65%
Late
1
3%
Very Late
2
6%
Excessive
7
21%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
13
Codeshares
34
Average Delay (min.)
63.07692307692308
Standard Deviation
57.3
Min
0
Max
173

WS 6591 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 65%
Average Delay Time 63.07692307692308 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 63.07692307692308 min
This flight has an average delay of 63.07692307692308 minutes with a standard deviation of 57.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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