(WS) WestJet 5512 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

86%

Late

Very Late

Excessive

14%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

67.33333333333333

Standard Deviation

100.3

Min

Max

183

WS 5512 On-Time Performance Details

Overall Rating

2.5 of 5

Average

Percentage On-Time 86%

Average Delay Time 67.33333333333333 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 49% of all other flights in the FlightStats database.

On-Time Performance Rating

4.1 of 5

Good

Percentage On-Time 86%

This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.

Delay Performance

0.9 of 5

Poor

Average Delay Time 67.33333333333333 min

This flight has an average delay of 67.33333333333333 minutes with a standard deviation of 100.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.