(WN) Southwest Airlines 378 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SAN) San Diego International Airport

San Diego, CA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

25%

Late

50%

Very Late

25%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

13.3

Min

Max

WN 378 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 25%

Average Delay Time 22 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 25%

This flight has an on-time performance of 25%. 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

3.3 of 5

Average

Average Delay Time 22 min

This flight has an average delay of 22 minutes with a standard deviation of 13.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.