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(WN) Southwest Airlines 621 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
77%
Late
0
0%
Very Late
1
8%
Excessive
2
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
55.25
Standard Deviation
43.5
Min
0
Max
105

WN 621 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 77%
Average Delay Time 55.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 55.25 min
This flight has an average delay of 55.25 minutes with a standard deviation of 43.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

Other Stops for WN 621