(WN) Southwest Airlines 3438 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(DEN) Denver International Airport

Denver, CO, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

62%

Late

10%

Very Late

10%

Excessive

18%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

30.11111111111111

Standard Deviation

25.4

Min

Max

WN 3438 On-Time Performance Details

Overall Rating

1.4 of 5

Poor

Percentage On-Time 62%

Average Delay Time 30.11111111111111 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 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 0% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 30.11111111111111 min

This flight has an average delay of 30.11111111111111 minutes with a standard deviation of 25.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.