(WS) WestJet 5509 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)

On-Time

79%

Late

Very Late

Excessive

11%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

64.83333333333333

Standard Deviation

73.5

Min

Max

172

WS 5509 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 79%

Average Delay Time 64.83333333333333 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.

On-Time Performance Rating

2.9 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 58% of other flights.

Delay Performance

0.5 of 5

Very Poor

Average Delay Time 64.83333333333333 min

This flight has an average delay of 64.83333333333333 minutes with a standard deviation of 73.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.