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(WN) Southwest Airlines 3940 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SAN) San Diego International Airport

San Diego, CA, US

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
71%
Late
3
13%
Very Late
2
8%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
25.23076923076923
Standard Deviation
24.9
Min
0
Max
80

WN 3940 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 71%
Average Delay Time 25.23076923076923 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 25.23076923076923 min
This flight has an average delay of 25.23076923076923 minutes with a standard deviation of 24.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

Other Stops for WN 3940