(WN) Southwest Airlines 257 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

43%

Late

14%

Very Late

Excessive

43%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

57.6

Standard Deviation

38.5

Min

Max

100

WN 257 On-Time Performance Details

Overall Rating

0.7 of 5

Poor

Percentage On-Time 43%

Average Delay Time 57.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.

On-Time Performance Rating

0.2 of 5

Very Poor

Percentage On-Time 43%

This flight has an on-time performance of 43%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.

Delay Performance

1.1 of 5

Poor

Average Delay Time 57.6 min

This flight has an average delay of 57.6 minutes with a standard deviation of 38.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.