(WN) Southwest Airlines 128 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)

On-Time

Late

Very Late

67%

Excessive

33%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

61.333333333333336

Standard Deviation

42.1

Min

Max

110

WN 128 On-Time Performance Details

Overall Rating

0.6 of 5

Poor

Percentage On-Time 0%

Average Delay Time 61.333333333333336 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 0%

This flight has an on-time performance of 0%. 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

1.2 of 5

Poor

Average Delay Time 61.333333333333336 min

This flight has an average delay of 61.333333333333336 minutes with a standard deviation of 42.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.