background

(WN) Southwest Airlines 4230 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SJC) San Jose Mineta International Airport

San Jose, CA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
61%
Late
10
18%
Very Late
3
5%
Excessive
8
14%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
37.275862068965516
Standard Deviation
45.3
Min
0
Max
224

WN 4230 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 63%
Average Delay Time 37.275862068965516 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 37.275862068965516 min
This flight has an average delay of 37.275862068965516 minutes with a standard deviation of 45.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.