(WN) Southwest Airlines 397 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(SJC) San Jose Mineta International Airport

San Jose, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

81%

Late

11%

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.)

19.5625

Standard Deviation

16.6

Min

Max

WN 397 On-Time Performance Details

Overall Rating

4.2 of 5

Good

Percentage On-Time 81%

Average Delay Time 19.5625 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.

On-Time Performance Rating

4.1 of 5

Good

Percentage On-Time 81%

This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 19.5625 min

This flight has an average delay of 19.5625 minutes with a standard deviation of 16.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.