(WN) Southwest Airlines 435 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-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

62%

Late

31%

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.)

25.4375

Standard Deviation

Min

Max

115

WN 435 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 62%

Average Delay Time 25.4375 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

0.1 of 5

Very Poor

Percentage On-Time 62%

This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 25.4375 min

This flight has an average delay of 25.4375 minutes with a standard deviation of 29 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.