(WN) Southwest Airlines 311 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(OAK) San Francisco Bay Oakland International Airport

Oakland, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

18%

Late

36%

Very Late

Excessive

36%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

39.81818181818182

Standard Deviation

Min

Max

WN 311 On-Time Performance Details

Overall Rating

1.1 of 5

Poor

Percentage On-Time 18%

Average Delay Time 39.81818181818182 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 18%

This flight has an on-time performance of 18%. 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

2.1 of 5

Average

Average Delay Time 39.81818181818182 min

This flight has an average delay of 39.81818181818182 minutes with a standard deviation of 28 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.