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(WN) Southwest Airlines 423 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(DAL) Dallas Love Field

Dallas, TX, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
39%
Late
4
14%
Very Late
1
4%
Excessive
11
39%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
53.22727272727273
Standard Deviation
54.5
Min
0
Max
242

WN 423 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 39%
Average Delay Time 53.22727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 39%
This flight has an on-time performance of 39%. 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
0.3 of 5
Very Poor
Average Delay Time 53.22727272727273 min
This flight has an average delay of 53.22727272727273 minutes with a standard deviation of 54.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.

Other Stops for WN 423