(WN) Southwest Airlines 3539 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

69%

Late

15%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

24.666666666666668

Standard Deviation

20.3

Min

Max

WN 3539 On-Time Performance Details

Overall Rating

2.6 of 5

Average

Percentage On-Time 69%

Average Delay Time 24.666666666666668 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.

On-Time Performance Rating

1.7 of 5

Average

Percentage On-Time 69%

This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 24.666666666666668 min

This flight has an average delay of 24.666666666666668 minutes with a standard deviation of 20.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.