(WN) Southwest Airlines 866 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

44%

Late

28%

Very Late

11%

Excessive

17%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

27.2

Standard Deviation

22.8

Min

Max

WN 866 On-Time Performance Details

Overall Rating

1.8 of 5

Average

Percentage On-Time 44%

Average Delay Time 27.2 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 44%

This flight has an on-time performance of 44%. 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

3.6 of 5

Good

Average Delay Time 27.2 min

This flight has an average delay of 27.2 minutes with a standard deviation of 22.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.