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(WN) Southwest Airlines 4421 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-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
0
0%
Late
3
25%
Very Late
2
17%
Excessive
7
58%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
72
Standard Deviation
60.8
Min
18
Max
227

WN 4421 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 0%
Average Delay Time 72 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% 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
0.1 of 5
Very Poor
Average Delay Time 72 min
This flight has an average delay of 72 minutes with a standard deviation of 60.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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