(WN) Southwest Airlines 588 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)

On-Time

78%

Late

22%

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.)

Standard Deviation

7.3

Min

Max

WN 588 On-Time Performance Details

Overall Rating

3.8 of 5

Good

Percentage On-Time 78%

Average Delay Time 11 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.

On-Time Performance Rating

3.1 of 5

Average

Percentage On-Time 78%

This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.

Delay Performance

4.5 of 5

Good

Average Delay Time 11 min

This flight has an average delay of 11 minutes with a standard deviation of 7.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.