(WN) Southwest Airlines 921 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(DJT) President Donald J. Trump International Airport

West Palm Beach, FL, US

(ISP) Long Island MacArthur Airport

Islip, NY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

79%

Late

14%

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.)

41.8

Standard Deviation

55.2

Min

Max

140

WN 921 On-Time Performance Details

Overall Rating

2.9 of 5

Average

Percentage On-Time 79%

Average Delay Time 41.8 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.

On-Time Performance Rating

3.6 of 5

Good

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 73% of other flights.

Delay Performance

2.1 of 5

Average

Average Delay Time 41.8 min

This flight has an average delay of 41.8 minutes with a standard deviation of 55.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.